select the most accurate statement about the interaction between a tree and its physical environment. select the most accurate statement about the interaction between a tree and its physical environment. a tree alters its physical environment. a tree is affected by its physical environment. a tree and its physical environment alter each other.

Answers

Answer 1

Option C: A tree and its physical environment alter each other are the most accurate statement about interaction.

As Charles Darwin concluded in his book “Origin of Species” which influenced much scientific development later. That the 'variations in living organisms around the world can be explained by differences in the natural environment.’ It simply means that the physical environment influences the nearby living organism. Later on, it was added that the living organism also influences the physical environment.

For example, to explain Human-Environment Interactions due to human actions, there is a rise in global warming and with the rise in global warming, ice caps are melting and affecting humans.

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Related Questions

Which component is affected when a catalyst is added to a chemical reaction?

Answers

Answer:

The correct answer would be activation energy.

Explanation:

pls mark brainliest

hope this helps

examine the following genetic sequences and determine which pair are the most similar based on their ed (evolutionary distances).

Answers

Most similar are:

Species 1 = ATTGGCCATT

Species 3 = TTTGGCCATT

Genetic sequence alignment is dependent on estimations of the evolutionary distance between the sequences and their most recent common ancestor. Unfortunately, it is well known that the assessment of evolutionary distance is very prone to mistake for short sequences, which are the topic of many alignments in practice. It is difficult to enhance current estimators without further knowledge about the sequences. Using an interval rather than a single estimate, this work shows how imprecise probability theory enables us to significantly weaken assumptions about the evolutionary distance. Through a generalization of the well-known Needleman- Wunsch technique, it is demonstrated how under these weaker assumptions a suitable alignment may still be established.

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Explain the role of lipids, carbohydrates, and proteins in the cell membrane.
Ready? Enter your answer here.
III

Answers

The role of lipids, carbohydrates and proteins in the cell membrane will be structural, cell communication and protection.

What will be the role of lipids, proteins and carbohydrates in the cell membrane?

The cell membrane is composed of different components, among them are carbohydrates, proteins and lipids that allow its complete formation and that give different properties to the membrane. The membrane is mainly composed of a lipid bilayer that gives it the shape it has, having its hydrophobic heads outwards and its hydrophilic legs inwards of the bilayer, causing the membrane to discriminate certain types of elements due to their hydrophilic nature or their electrical charge.

It will also be composed of proteoglycans, generating a layer called glycocalyx that will give a protective layer to the cell membrane towards the outside, protecting it from substances that can destroy or damage it. Also in the membrane itself there will be protein channels that allow the passage of molecules that cannot pass through the membrane by simple diffusion.

Therefore, we can confirm that the role of lipids, carbohydrates and proteins in the cell membrane will be structural, cell communication and protection.

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Which experiment would most likely contain experimental bias?

A.
A chemistry class performs an experiment in which each reaction has the same amount of starting material and begins at the same temperature.
B.
A company that makes pain relief medication tests the effectiveness of their own medicine compared to that of three other brands.
C.
A student tests the attraction of bees to flowers by placing four different flowers in the same location and counting how many bees visit each.
D.
A lab performs a test by giving bacterial colonies the same amount of different antibiotics and growing them under the same conditions.

Answers

Answer:

B.

Explanation:

The company wants people to buy the product, so they would avoid any negative result that may come from the experiment.

A student adds 10 drops of a copper sulfate and sodium hydroxide solution to a test tube containing chicken broth. The solution undergoes a color change from blue to purple.

The presence of which organic molecule is indicated by the color change of the solution?


glycogen

protein

nucleosome

fatty acids and glycerol

Answers

The molecule whose presence is indicated is protein.

What is the food test?

The food test refers to the chemical methods that we could use to obtain the kind of food substance that we have in a sample. Let us recall that food is a chemical substance hence it is capable of chemical interaction with other chemicals.

One of the kind of food tests is the tests for proteins in which copper sulfate and sodium hydroxide solution is used. In this test, the color of the solution turns from blue to purple.

Hence the molecule whose presence is indicated is protein.

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sort each process into the appropriate bin according to whether it contributes to heredity only, genetic variation only, or both. (note that a bin may be left empty.)

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DNA replication, anaphase I, II, and metaphase II are heritable exclusively.

solely including genomic variation: crossing over, metaphase 1 and

fertilizations 

Hereditary only: Only enough DNA is duplicated to supply the daughter cells.

Chromosomes in anaphase I and II are migrating to daughter cells to be passed on.

Chromosomes in metaphase II were randomly arranged in metaphase I and will only align to travel to each daughter cell.

Only genetic variation: as chromosomes cross over, they exchange information, which explains DNA variety.

Random chromosomal distribution during metaphase I will also produce variability.

Both: the newly created zygote has unique information from both parents during fertilisation (genetic variation), and this information is transmitted down to the following generation.

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What is the function of carbohydrates?
A. To store energy
B. To help animals stay warm
C. To absorb the sun's energy
D. To store hereditary information

Answers

Answer:A

Explanation:

a property that is common to all microbial cells is . evolution communication between cells differentiation genetic exchange between cells motility

Answers

A property that is common to all microbial cells is evolution

What is Evolution ?

In other words, descent with modification, evolution can be defined as any net directional change or cumulative change in the traits of organisms or populations over many generations. It specifically takes both the beginning and the spread of alleles, variations, trait values, or character states into account.

Because it explains how life developed on Earth and how the many species are related, evolution is crucial. The linkages in evolution contribute to the understanding of many biological issues, including the diversity of life.

It's general knowledge that Charles Darwin is credited with "discovering" evolution. However, the historical record reveals that between 1748 and 1859, the year when Darwin published On the Origin of Species, around 70 distinct authors wrote works on the subject of evolution.

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The three major subdivisions of extracellular fluid found in the body are plasma, interstitial fluid, and.

Answers

Answer: lymph

Explanation: right in mastering

The three major subdivisions of extracellular fluid found in the body are plasma, interstitial fluid and lymph.

Extracellular fluid comprises of all body fluids found outside the cells in the body, which makes up about one-third of all body fluids. Extracellular fluid is subdivided into interstitial fluid, blood plasma and lymph. The lymph and blood plasma act as transport systems, while the interstitial fluid bathes all the cells and provides water and electrolytes for exchange.

Interstitial fluid: The interstitial fluid can be found between cells and blood capillaries, enabling exchange of materials like glucose, oxygen and other nutrients through diffusion. It also holds waste materials from cell metabolism like carbon dioxide. Plasma: It is the extracellular fluid found in the blood vessels and is similar in composition to the interstitial fluid

Lymph: It is the fluid that flows through the lymphatic system. Lymph is involved in the breakdown and digestion of fats from the digestive system. It also defends the body against foreign pathogens using special cells called lymphocytes.

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Anything detected with the five
senses is considered an ______.

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Anything detected with the five senses is considered an observation.

The five senses of the humans are: touch, sight, smell, hearing and taste. The touch can be felt through the skin. The smell is received by the nose. The hearing is performed by the ears. The sight us due to the eyes. And the taste is due to the taste buds in the tongue inside the mouth.

Observation is the phenomenon of acquiring information about something. This information can be acquired in the form of smell, taste, sight, etc. The observation can be stored in the brain in the form of memory.

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in the chapter, "the awakening," what is the one thing that elana’s father says that a maturing species must have?

Answers

In the chapter, "the awakening," the one thing that Elana’s father says that a maturing species must have IS Independence.

The Awakening examines a woman's quest to discover and embrace her authentic self. Her dedication to that goal strains her relationships with her family and friends and clashes with the cultural norms of the time. The plot of Edna Pontellier's novel is set in upper-class Creole society in Louisiana in the 1890s.

The concept of self-ownership is the main point of Kate Chopin's poem The Awakening. The book was created at a time when women were mostly seen as property, first the property of their fathers and then their husbands. Edna Pontellier discovers self-ownership in The Awakening through her sexual awakening.

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a cell has 6 pairs of homologous chromosomes. following mitosis and cytokinesis how many chromosomes will each daughter cell contain? chegg

Answers

if the cell has 6 pairs of homologous chromosomes. following the mitosis and cytokinesis the result are Each daughter cell will have the half of the original 46 chromosomes, or the 23 chromosomes. Each chromosome has consists of 2 sister chromatids.

The Homologous Chromosomes are made of the chromosomal pairs of the same length and the centromere positions for the genes which corresponding to the same loci. Typically one of the most chromosomes is inherited by from the father and to the other from the mother. Diploid organisms, like the humans, that carry two copies of the genome in each of one of their cells. Having two copies of the each chromosome, called as homologous chromosomes, which helps increase the both the variety and the stability of a species

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a large population of mice (2000 individuals) lived in an area in the desert dominated by small shrubs. when the population size got too high, a small group of 6 individuals left and colonized an area adjacent to the original population's home, but the adjacent area was primarily dominated by trees instead of shrubs. there is no gene flow between the dispersers and the original population. a researcher sequenced the genomes of representative individuals from both populations and found substantial genetic differences between them. which of the statements would most account for the amount of genetic differences observed?

Answers

The small population will have undergone more evolution than the vast population since the first dispersal event.

What is meant by genetic difference?

Individuals within a population can be distinguished by genetic differences.

It's possible for a newborn's germ line to have distinct genetic modifications "de novo" (e.g., as a result of mutation in sperm or egg).

various genetic variations

Indels, Copy Number Variations, Translocations and Inversions, Single-nucleotide Polymorphisms/Single-nucleotide Variations (SNP/SNVs), and Single-nucleotide Variations (SNP/SNVs).

What types of genetic differences are there?

Genes take on various shapes, or alleles, as a result of genetic variation.

People with blue eyes, for instance, have one allele of the eye color gene, whereas those with brown eyes will have a different allele of the gene.

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An atom of a certain element has 36 proton,36 electrons and a mass number of 84.at room temperature this element is a very stable gas.how many neutrons are in this atom

Answers

Answer:

b^2+c^2+a^2 pretty easy

masso, m., accurate and efficient structure-based computational mutagenesis for modeling fluorescence levels of aequorea victoria green fluorescent protein mutants. protein eng des sel 2020, 33.

Answers

Accurate and efficient structure-based computational mutagenesis for modeling fluorescence levels of aequorea victoria green fluorescent protein mutants is a research paper by Masso M.

What is the abstract?

Recently, experimental researchers determined the functional impacts (fluorescence levels) of over 46,000 single and multiple amino acid variations of the Aequorea victoria green fluorescent protein (GFP), and to characterize these effects, computational mutagenesis was applied. For each GFP mutant, the method produced a single score that reflected the overall shift in sequence-structure compatibility in comparison to native GFP as well as a vector of environmental perturbation (EP) scores that described the effects at each GFP residue location. By contrasting the sequence-structure compatibility scores with the functional data, a significant (P 0.0001) link between GFP structure and function was shown. Then, using random forest (RF) classification and tree regression machine learning methods, generated vectors for GFP mutants were utilized to construct predictive models of fluorescence.

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all other factors (concentration, solute size, etc.) being equal, which type of solute does a cell tend to pull inside?

Answers

Answer: Positively-charged solutes

Explanation:

The excess of negative charge on the cytosolic side of the plasma membrane tends to pull positively charged solutes into the cell. Specifically, a variety of negatively charged inorganic and organic ions (anions), including nucleic acids, proteins, and many cell metabolites, maintain this relatively constant "positive pull" at the surface of the cell.

deep vein thrombosis in mice is regulated by platelet hmgb1 through release of neutrophil-extracellular traps and dna

Answers

Deep vein thrombosis in mice is regulated by platelet hmgb1 through release of neutrophil-extracellular traps and dna

Venous thromboembolic (VTE) disease, consistS of deep venous thrombosis (DVT) and pulmonary embolism (PE) is a major cause of morbidity and mortality. recently prophylactic measures are not sufficient to prevent all occurrence in part due to an incomplete understanding of the underlying pathophysiology. sufficient evidence indicates interplay between activation of the innate immune system and thrombus development. Recent work has illustrated that platelet release of HMGB1 leads to increase in microvascular complications following injury. Additionally, platelet HMGB1 was found to enhance DVT and elevated the formation of neutrophil extracellular traps (NETs), although the role of HMGB1 induced NET release in thrombosis remains unexplored.

Utilizing a transgenic mouse lacking HMGB1 particularly from platelets and megakaryocytes it is  illustrated the specific role of platelet-derived HMGB1 in acute and subacute/chronic venous thrombosis.

HMGB1 is  elevated following  DVT and  contributes to thrombus  formation.HMGB1 release from platelets promotes acute and subacute/chronic DVT formation

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ASAP. Will mark Brilliantest


Alex poured some pond water into three beakers. She then put waterweed into each beaker. She put the beakers in different places.


a.The waterweed in the box changed from dark green to pale yellow. Why did this happen?

Answers

Answer:

This happen because the box has blocked the sunlight from the waterweed and it has stopped photosynthesizing.

3. Which phase of the cell cycle is the period of growth and development?

Answers

Answer:

interphase

Explanation:

A cell spends most of its time in what is called interphase, and during this time it grows, replicates its chromosomes, and prepares for cell division.

wha are macro and micronutrients ?​

Answers

Answer:

macronutrients are the nutrients that the body requires in large amounts, while micronutrients are those required in smaller amounts. To break this down even further, macronutrients make up your total caloric intake, and include carbohydrates, proteins and fats

Explanation:

Macronutrients are the nutrients we need in larger quantities that provide us with energy: in other words, fat, protein and carbohydrate. Micronutrients are mostly vitamins and minerals, and are equally important but consumed in very small amounts. We generally get our micronutrients along with macronutrients.

What is the common name of halobacterium salinarum and is it heterotrophic or autotrophic?

Answers

Answer:

Common name for halobacterium salinarum is Halobacterium cutirubrum or Halobacterium halobium

halobacterium salinarum is heterotrophic

Explanation:

Halophilic Archaea, which are generally heterotrophic and aerobic, likely evolved from an autotrophic, anaerobic methanogenic ancestor by acquiring many genes from Bacteria via lateral gene transfer.

Halobacterium salinarum, formerly known as Halobacterium cutirubrum or Halobacterium halobium, is an extremely halophilic marine obligate aerobic archaeon. Despite its name, this is not a bacterium, but a member of the domain Archaea. It is found in salted fish, hides, hypersaline lakes, and salterns.

arrange the process of hemostasis in sequence. (separate letters by a comma and space [ex. a, b, c,…])

Answers

The sequence for the process of hemostasis is A, F, B, C, D, E.

What is Hemostasis?

Your body's natural response to an injury, hemostasis, stops the bleeding and repairs the damage. This skill typically works to your advantage by preserving blood and avoiding infections. The process can occasionally malfunction, leading to issues with excessive or insufficient clotting. There are four distinct steps to the hemostasis mechanism.

1) Blood vessel constriction.

2) The development of a transient "platelet plug."

3) The coagulation cascade is activated.

4) The last clot, or "fibrin plug," forms.

A series of enzymatic activations that result in the development of a clot containing platelets and fibrin polymer are made easier by hemostasis. While the process of tissue regeneration is taking place, this clot plugs the wounded area, manages the bleeding, and stops further bleeding.

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I understand that the question you are looking for is "Arrange the process of hemostasis in sequence. (Separate letters by a comma and space as follows: A, B, C, D)

A. Kidneys release erythropoietic factor

B. Increase in red blood cell production

C. Enzyme stimulates red bone marrow

D. Oxygen delivery increased to the tissues

E. Oxygen delivery decreased to the tissues

F. Decrease in red blood cell production"

evaluation of the respective influence of thyroid hormonesand tsh on blood coagulation parameters after total thyroidec-tomy

Answers

This prospective investigation demonstrates that significantly reduced levels of VWF:Ag, VWF:CBA, and FVIII:C are linked to severe short-term hypothyroidism. Exogenous TSH administration has no impact on the coagulation parameters. According to these results, thyroid hormone insufficiency is probably the key factor contributing to coagulation changes in hypothyroid patients.

What is Thyroid hormone ?

Triiodothyronine and thyroxine are the two hormones known as thyroid hormones that the thyroid gland produces and secretes. They are tyrosine-based hormones whose main function is to control metabolism. Iodine makes up a portion of the molecules T3 and T4.

Iodine shortage may be the cause of thyroid issues. Inflammation can result from autoimmune illnesses when the thyroid is attacked by the immune system, causing either hyperthyroidism (caused by Graves' disease) or hypothyroidism (induced by Hashimoto's disease) (which may or may not cause pain),

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Natural selection can affect gene frequencies by introducing new alleles to a population. True or false?.

Answers

The statement 'Natural selection can affect gene frequencies by introducing new alleles to a population' is False about this process.

What is Natural selection?

Natural selection is an evolutionary process associated with differential survival and reproduction of the more adapted organism, which depends on alleles and genotypes that carry such individuals.

In conclusion, the statement 'Natural selection can affect gene frequencies by introducing new alleles to a population' is False about this process.

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transcription factor irf4 promotes cd8( ) t cell exhaustion and limits the development of memory-like t cells during chronic infection.

Answers

Chronic stimulation results in an exhausted phenotype in CD8+ T lymphocytes that is defined by the production of inhibitory receptors, down-modulation of effector function, and metabolic abnormalities. T cell fatigue restricts the removal of virus-infected or tumour cells but protects against severe immunopathology.

What is Transcription factor ?

A transcription factor is a molecule that regulates a gene's function by deciding whether its DNA (deoxyribonucleic acid) is converted into RNA (ribonucleic acid). Using the DNA of the gene as a template, the enzyme RNA polymerase catalyses the chemical processes that result in the synthesis of RNA.

The SRY protein is another illustration of a transcription factor that participates in development. For sex differentiation to occur during human development, the SRY protein is required. The SRY protein activates genes involved in the development of the male reproductive system.

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explain how membrane receptors transmit massages across the cell membrane

Answers

Answer: The receptor opens up and allows certain ions in through it's receptor channel into the cell (sodium, potassium, etc.)

each of the following is a branch of the mandibular division of the trigeminal nerve that supplies the temporomandibular joint except one

Answers

Nasopalatine Nerve

The trigeminal nerve's maxillary branch includes the nasopalatine nerve as a subdivision. The trigeminal nerve is a sensory nerve, and so is the nasopalatine nerve. The pterygopalatine ganglion is where it enters the sphenopalatine foramen after coursing into the nasal cavity. It travels beneath the ostium of the sphenoid sinus to the septum, where it lies between the periosteum and the mucous membrane and gives the septum feeling. The nasopalatine canal, which connects the nasal and oral chambers, is where it travels from here before proceeding inferiorly to breach the hard palate anteriorly. This canal also contains the palatine glands, a little amount of fat, and the terminal branch of the nasopalatine artery.

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19. An example of a population is
A.
all trees in a forest
B. all maple trees in a forest
C. all plants in a forest
D. all animals in a forest

Answers

Answer:

B. all maple trees in a forest

Explanation:

The correct answer is D. Population is multiple lives in a community (animals being in a forest)

vander’s human physiology, 15th ed. by eric widmaier, hershel raff, kevin strang publisher: mcgraw hill online pdf

Answers

Vander’s human physiology, 15th ed. by eric widmaier, hershel raff, kevin strang publisher: mcgraw hill is a textbook on human physiology easily available on amazon or flipkart. You can also try to find this book in online free libraries.

What are the contents in the book?Chapter 1 Homeostasis: A Framework for Human PhysiologyChapter 2 Chemical Composition of the BodyChapter 3 Cellular structure, proteins, and MetabolismChapter 4 Movement of Molecules Across Cell MembranesChapter 5 Control of Cells by Chemical MessengersChapter 6 Neuronal Signaling and the Structure of the Nervous SystemChapter 7 Sensory PhysiologyChapter 8 Consciousness, the Brain, and BehaviorChapter 9 MuscleChapter 10 Control of Body MovementChapter 11 The Endocrine SystemChapter 12 Cardiovascular PhysiologyChapter 13 Respiratory PhysiologyChapter 14 The Kidneys and Regulation of Water and Inorganic IonsChapter 15 The Digestion and Absorption of FoodChapter 16 Regulation of Organic Metabolism and Energy BalanceChapter 17 ReproductionChapter 18 Defense Mechanisms of the BodyChapter 19 Medical Physiology: Integration Using Clinical Cases

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question 6 (true/false worth 2 points) (04.03 lc) during cellular respiration, chemical energy is converted to cellular energy. true false

Answers

It is true that during cellular respiration, chemical energy is converted to cellular energy.

What is cellular respiration?

Cellular respiration is a series of metabolic reactions that convert chemical potential energy stored in organic matter (such as glucose) into a form (cellular energy, which is ATP, means adenosine triphosphate) that can be directly used by the cell for a variety of activities.

It is also a process of oxidizing glucose to produce a large amount of energy, as well as carbon dioxide and water.

Thus, it can be concluded that the given statement is true.

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if a molecule is too big to move in or out of a cell on its own, but uses a protein channel to move, without additional energy, what type of transport is this? determine how many different possibilities for two-digit numbers 1,5,3,6,9 The _____ organizes data by recording all the values observed in a sample as well as how many times each value was observed. microorganisms play key roles in the cycling of important nutrients in plant nutrition, particularly those of microorganisms play key roles in the cycling of important nutrients in plant nutrition, particularly those of carbon. nitrogen. carbon and nitrogen sulfur. carbon, nitrogen, sulfur, and phosphorus. as a business within the company, hr has three product lines, one of which involves contributing to the company's strategy by understanding how hr can provide a competitive advantage. this is known as . Cmo era tu zona en el pasado cuando tus abuelos eran ms jvenes? (What did your area used to be like in the past when your grandparents were younger?) A school had 300 students in 2013 and 450 students in 2015. What was the average rate of growth in student per year? When you use context to determine the meaning of a word , where do you look primarily for information or clues? 9. cohen-mansfield j: agitated behaviors in the elderly. ii. preliminary results in the cognitively deteriorated. j am geriatr soc 1986; 34:722727 1 the purpose of required reserves is to allow the fed to the ability of commercial banks to make loans. What type of transport occurs when a large cell contains a smaller cell such as a bacteria 2. According to the Preamble to the US Constitution, what is the purpose of the document?A. to form the unionB. provide for the nation's defenseC. protect the general welfare of the peopleD. all of these 5. What is the missing side length, x, in thisright triangle?16 yd20 ydA.4 yardsB.8 yardsC. 12 yardsD. 16 yardsX5 This diagram is a straightedge and compass construction. A is the center of one circle, and B is the center of the other.AMBb. Name a pair of line segments with the same length. When did the Chinese nation begin to originate and how many years has it gone through? Random simple service of voters were taken in three different regions of a county that has a voter population of 55,000. On average 42 out of 100 voters supported issue seven and 58 oppose it estimated number of voters in the county who support the issue. A rectangular carpet measures 10 m by 6mPart of the carpet is covered by a square rug of length 2 m2m10mDiagram not drawn accurately6mWhat fraction of the carpet iscovered by the rug?Give your answer in its simplest form.Optional workingAnswer: Nights and DragonsFrom the memoir of author Abigail Prynne1I sit at my desk listening to thunder growl outside my window. Flashes of light burst through the darkness, and wind races past my window. The thrilling combination of sight and sound conjures up visions of dragons roaring proudly, breathing fire, and soaring across the midnight sky. Dragons first fascinated me when I was a little girl. They have followed me ever since. The magnificent creatures appeared in storybooks I read in the library, paintings I saw in museums, movies I watched in the theater, and the dreams I had in my sleep. By the time I was thirteen, one question consumed me. I wanted to know if dragons ever existed, so I set out on a quest for facts.2As I started my research, I discovered many skeptics. Scientists presented evidence to show why dragons could notand did notexist. They explained that it would be impossible for dragons to fly because they would be too big. They laughed at the idea of dragons breathing fire. They pointed out that no other animal has ever done this. They said that if dragons had lived, someone would have found remains somewhere in the world. No bones about it, there were plenty of logical explanations. It would have been easy for me to accept that the only place dragons ever existed was in the imaginations of those who believed.3I could have given up, but I thought about my grandmother. She always told me that "people who believe that science is the answer to everything are missing out on everything else." With her words in mind, I searched some more. There were many facts that hinted that dragons may not be fictional. I noticed that cultures across the world all described dragons in similar ways. This was odd because they had no way to communicate with each other. I found dragons mentioned in more than just stories. They appeared in old legal papers, in the travel logs of Marco Polo, and in the Bible. I saw that the Chinese calendar uses a different animal each year. Dragons are included along with eleven real animals. I began to believe it was a real possibility that all of these people were talking about a creature that actually existed.4With renewed hope that there was some truth to the legends, I looked for new research. I found that some experts disagreed with popular arguments against dragons. They suggested that a dragon could have four stomachs like a cow. If it created stomach gases like birds, it might create enough to lift itself off the ground. This would give it the ability to fly. If it forced out air when diving toward the earth, it might release gases which could ignite into flame. When the animal died, the stomachs would release strong acids that would dissolve its dead body over time. Biologists backed up these ideas with sketches and models based on known animals. Not everyone agreed with these ideas, but many of the things we accept about dinosaurs and other extinct species started the same way.5I doubt we will ever truly know whether dragons existed. There may always be two sides to the fiery debate. Some will say the stories come from active imaginations. Some will believe with all their hearts that the legendary creatures roamed our ancient world. I don't know for certain which side to believe, but the sound and fury of a night like this makes me smile. It rekindles my childhood dreams and keeps the exciting possibility alive.Which sentence from paragraph 4 makes an explicit statement without offering any implicit suggestions? your class nominates one student to attend student government association meetings on behalf of the class and report back on what was discusseda, direct democracyb, representative democracy Read the paragraph from the section "Shellfish."Lower pH values occur naturally on the West Coast during upwelling events, but recent observations indicate that CO2 originating from human activities is contributing to seasonal aragonite undersaturation. Scientists suspect that low pH may be a factor in the oysters' reproductive failure. More research is needed to disentangle potential acidification effects from other risk factors. Nonetheless, acidification is a potential factor in the current crisis to the multi-million-dollar oyster industry. The potential role of ocean acidification is encouraging new collaborations and accelerated research on ocean acidification and its biological impacts.Which of the following can be inferred from the selection above?AHuman activities are the primary cause of the aragonite undersaturation during upwelling events.BWhile some marine organisms are harmed by ocean acidification, others are helped by the lower pH levels in the ocean.CCollaborators are more motivated to study ocean acidification because of the economical impact it has on the oyster industry.DOcean acidification is not to blame for the oysters' reproductive failure because lower pH values are natural during upwelling events.