Answer:
High mass stars have very high-core temperatures, crushing stellar-core pressures, and are very big and very bright.
Explanation:
Which phrase describes an interaction between the hydrosphere and the
atmosphere?
A. water condensing to form clouds
B. plants removing carbon dioxide from the air
C.wind and water eroding rocks to form sediment
Plants removing carbon dioxide from the air is an interaction between the hydrosphere and the atmosphere.
The hydrosphere provide water for the crops to grow.The soil provide minerals to give a good yield to crops.The air provide carbon dioxide to the crops for photosynthesis and in return the plants give off oxygen to the air.What is carbon dioxide?
It is a colorless, odorless gas that is produced by burning carbon and organic compounds and by respiration.
What is hydrosphere?
It is the total amount of water present on earth including on surface , in ground and in the air.
What is atmosphere?
It is the layer of gases that envelope the planet and is held in place by gravity of the planet.
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If a DNA strand has 32 % guanine before semi conservative replication occurs, what
percent thymine will each new strand have after replication?
Answer:I believe that the answer would be 18
Explanation:
32 divided by 2 is 18
If a DNA strand has 32% Guanine before semi-conservative replication occurs, then the percent Thymine will each new strand have after replication will be 18%.
The deoxyribonucleic acid (DNA) is a double helix molecule composed of four types of nucleotides: Adenine (A), Thymine (T), Cytosine (C) and Guanine (G).In DNA, Adenine (A) always pairs with Thymine (T), whereas Cytosine (C) always pairs with Guanine (G). The replication of DNA is semi-conservative because after replication each DNA molecule contains one original DNA strand and one newly-synthesized DNA strand.If a DNA molecule contains 32% of Guanine, then the content of G + C is equal to 64%, so the content of T + A is equal to 36% (64 + 36 = 100) and T content is 18% (18 + 18 = 36).In conclusion, if a DNA strand has 32% of Guanine before replication, then the percent of Thymine after replication will be 18%.
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1. How do spider monkeys help maintain a stable climate?
2. What is special about a fungi that grows on sloth’s fur?
3. What is one of the driving forces behind the sixth mass extinción we find ourselves in?
4. What is worse: biodiversity loss or climate change?
5. How does eating less meat help in protecting the environment?
Answer:
1. They play a key role in seed dispersal, allowing their forest environment to continue to grow and thrive.
2. Resist parasites that cause malaria, some cancers, and a number of other pathogenic bacteria
3. Loss include climate change, deforestation, habitat degradation, and hunting
4. Climate change
5. One of the quickest ways we can lower our collective greenhouse gas emissions is to eat less meat.
fugate m (1998) branchinecta of north america: population structure and its implications for conservation practice. in: ecology, conservation and management of vernal pool ecosystems – proceedings from a 1996
Ecology, conservation and management of vernal pool ecosystems – proceedings from 1996 is a research paper
What is this research paper about?California has 32 million residents, and that number is still increasing remarkably quickly. Ninety-five percent of the state's wetlands have been lost due to rapid population increase (Dahl, 1990). Vernal pools are one type of wetland that has seen exceptionally severe losses. This study addresses the urgent need to justify the creation of an ecologically sound compensation scheme for vernal pools that will be part of a larger vernal pool conservation strategy. They also talk about how to maintain and restore the functional integrity of vernal pool wetland ecosystems by creating a compensating mitigation plan that is ecologically based. They think vernal pool conservation can be carried out while also improving effectiveness within the current federal, state, and municipal regulatory framework.
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which of these factors is associated with sustainable faming
A. monoculture
B. food security
C. desertification
D. intensive farming
Answer:
B. food security
Explanation:
Answer:
B-Food Security
Explanation:
From the time of the ancient Romans, through the Middle Ages, and until the late nineteenth century, it was generally accepted that some life forms arose spontaneously from non-living matter. Such "spontaneous generation" appeared to occur primarily in decaying matter. For example, a seventeenth century recipe for the spontaneous production of mice required placing sweaty underwear and wheat in an open-mouthed jar, then waiting for about 21 days, during which time it was alleged that the sweat from the underwear would penetrate the husks of wheat, creating mice.
Experiment #4:
The first serious attack on the idea of spontaneous generation was made in 1668 by Francesco Redi, an Italian physician and poet. At that time, it was widely held that maggots arose spontaneously in rotting meat. Redi believed that maggots developed from eggs laid by flies.
Place yourself in the role of Francesco Redi. Design an experiment that will test this idea. Remember, you are challenging an idea that has been accepted for hundreds of years! You must follow the scientific method closely, account for all variables, and carefully document your procedure to have a chance at disproving this
theory!
#14. state a hypothesis. remember to include the variable you are testing and a prediction of the effects of this variable.
#15. write a step by step procedure for this experiment. include an experimental group and a control group. remember that every variable should be held constant between your two groups except the one your testing. this even includes exposure to air.
How is smoke carried high into the atmosphere for transporting by wind
Evidence for evolution reveals that closely related organisms have many ___________ characteristics.
A. different
B. shared
C. modified
D. ancient
Answer:
B. shared
Explanation:
Closely related organisms have shared characteristics. They have shared characteristics because they're related. It cannot be different because they're related. It also cannot be modified or ancient characteristics as both of them wouldn't make sense. Modified characteristics? Ancient characteristics?–– just no.
Answer:
★ Evidence for evolution reveals that closely related organisms have many shared characteristics.
Explanation:
Hope you have a great day :-)
bisphosphoglyceric acid (bpg) is a byproduct of glycolysis released into the bloodstream when an animal's supply of oxygen is low. like protons, it decreases hemoglobin's affinity for o2. the effect of high bpg levels would be that:
When an animal's oxygen supply is limited, bisphospoglyceric acid increases the oxygen level by acclamitization.
Acclimatization is the term used to describe the advantageous physiological changes brought on by frequent exposure to a hot climate. Increased sweating effectiveness is one of these physiological modifications. It is converted into a molecule identical to that of 2,3-bisphosphoglyceric acid (2,3BPG). A mechanism called 2,3BPG is employed to control the effective emission of oxygen from haemoglobin. As one of the processes of acclimatization, 1,3-BPG levels will rise in a patient's blood when concentration is low. Low oxygen levels increase 1,3BPG levels, which in turn increase 2,3BPG levels and change how well oxygen separates from hemoglobin.
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could someone help me?
Answer:
Protein
Explanation:
My thought process is enzymes do all the work but they are made out of proteins (most of the time) so.... thats why i would assume it is protein.
hi i uh- lied about my age on here but here's the question
Which of these factors are biotic? (Select all that apply.)
water
minerals
plants
light
animals
Answer:
plants and animals are biotic
Explanation:
biotic factors include living things while abiotic include light, nutrient enrichment, and non-living things. Hope it helps :)))
Answer:
I'm quite sure it's plants and animals!
Explanation:
The term "biotic" applies to things that are alive, and that includes plants and animals alike. From when we were taught that, I honestly feel that water could be an additional answer to this (all of the bacteria that lives within it), but I would settle with plants and animals the most. I hope this helped at least a little bit!
12. Which statements about cancer are true. Mark all that apply.
There is just one type of cancer.
Cancer is a contagious disease.
Heredity (genetics) can affect someone's chances of getting some types of cancer.
Cancer is caused by multiple mutations in the genes that control cell division.
Answer:
Heredity (genetics) can affect someone's chances of getting some types of cancer.
Cancer is caused by multiple mutations in the genes that control cell division.
Altered mental status, which often accompanies a diabetic emergency, can easily be confused with what??
1.a migraine
2.alcohol intoxication
3.a severed spinal cord
4.a swollen or deformed lower extremity
Answer:
I would go with number 1 or number 2
Answer:
a migraine
Explanation:
photosynthesis and cellular respiration?
Answer:Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant and oxygen is a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- products and ATP is energy that is transformed from the process.
Explanation:
what cultural changes did bipedalism cause
Answer: Taller creatures were able to reach higher places for food and interact with different creatures. This changed family life when parents had to care for their young for a longer period of time and for working together.
Explanation:
Using a microscope, Quinlin notices a small green organelle inside a cell. Which of the following is most likely to occur first in this organelle?
A Glucose is made.
B ATP and hydrogen are used to make larger molecules using CO2.
C The light-dependent reactions absorb sunlight and transfer the energy to electrons.
D The light-independent reactions absorb carbon dioxide to make larger organic molecules.
Answer: B ATP and hydrogen are used to make larger molecules using CO2.
Explanation:
Answer:
Its C
Explanation:
I took the test
With incomplete dominance, a likely ratio resulting from a monohybrid cross would be ________.
Answer:
1:2:1 ratio
Explanation:
A cross of two F1 hybrids, heterozygous for a single trait that displays incomplete dominance is predicted to give a 1:2:1 ratio among both the genotypes and phenotypes of the offspring.
1. Defining the Issues In your own words, explain
the threat caused by overuse of antibiotics.
Answer:
Creation of Anti-Biotic Resistant Bacteria
Explanation:
When using antibiotics to kill simple bacteria which can be killed with either soap or if within the body through a fever this increases its resitatance to anti-biotics so the next time it emerges it will need a stronger antibiotic. This can actually make most harmless types of bacteria very resitant to medication and could easily become soemthing we no longer have anything strong enough to kill.
How long do carbon stay in plants
Answer:
It depends
Explanation:
Certain plants need certain amounts. Supposedly, it would be thousands of years... but it honestly depends on what plant it is.
two separate populations of organisms are fighting over available food in a given area. What principle does this demonstrate?
A. competition
B. variation
C. adaptations
D. natural selection
pleaseee helppp
what are 3 positive things human do that impact the environment ?
Answer:
Ways in which people positively affect ecosystems around the world include: Recycling. Establishing wildlife preserves and parks. Creating green, open space laws.
Explanation:
:D
What two things of elements organizes elements based on their properties?
The elements are organizes based on their property like metals and non metals and grouping the valence electrons.
When you go down the on the group , the number of electrons increases down group As a result Atomic number also increases therefore the element having higher valence elections are present at the bottom and the the element having low valence electrons are at the top.The elements having large valence electrons have higher size and elements having low valence electron have low size.The periodic table divides into metals , non metals, and metalloids.The metals have ability to lose their electrons to formed the bond with other compound.The non- metal elements share their electrons to form covalent bond with other elements to formed the compound.The metalloid can behave as both metal and non metal.So from above observation we can divides the elements on the basis of metal and non- metal and number of valence electrons.
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Stronger earthquakes closer to the surface and gas
explosions
Answer:
Aftershocks are sometimes just as hazardous as the main quake itself. In fact, aftershocks may be so strong that they're stronger than the main quake. ... While foreshocks occur around the same time of the main quake, aftershocks may not occur until days or weeks later! The point at the Earth's surface directly above the focus is called the epicenter of the earthquake. At the epicenter, the strongest shaking occurs during an earthquake.
Hope this helps, have a great day/night, and stay safe!
Which structure is represented by letter A?
Choose 1 answer:
(Choice A)
Cell membrane
(Choice B)
Ribosome
(Choice C)
Cytosol
(Choice D)
Flagellum
Answer:
Choice B- Ribosomes
Explanation:
From the figure of a bacterial (prokaryotic) cell (most probably), The Ribosomes are spiky organelles [Marked as A], that are embedded in the Cytosol [Marked as B] of the cell, bounded by the Cell Membrane (wall) [Marked as C] and the cell moves in all directions with a help of its tail-like structure called Flagellum [Marked as D].
Answer:
B
Explanation:
It's a ribosome.
:) (Gutschriften)
Careers in Science, Technology, and Engineering: Mastery Test
Why did you post this with really no question?
_____inherited traits that increase an organisms chance of survival, also determine an organism’s niche.
Answer:
Adaptations are inherited traits that increase an organism's chance of survival, also determine an organism’s niche.
Explanation:
Adaptations can be defined as inherited traits that increase an organism's chance of survival and determine its niche. An organism's niche is the place it has in an ecosystem it inhabits - how it lives and survives in it and how it affects it and other species.
Adaptations are a necessary occurrence. As the organism's habitat changes, it has to change as well. In order words, it has to adapt. This process is supported by natural selection - the mechanism that ensures that an advantageous characteristic will become the most common one.
An example of adaptation is what an animal's teeth look like. The shape of an animal's teeth heavily depends on its diet. If it's a herbivore, it will have many molars for chewing grass and plants, and if it's a carnivore, it will have sharp canines to help it tear meat.
What events occur during meiosis I and meiosis II?
Answer:
Homologous pairs of cells are present in meiosis I and separate into chromosomes before meiosis II. In meiosis II, these chromosomes are further separated into sister chromatids. Meiosis I includes crossing over or recombination of genetic material between chromosome pairs, while meiosis II does not.
Explanation:
Brainliest please?
The events for each type of meiosis are:
Meiosis I:
Prophase IMetaphase IAnaphase ITelophase IMeiosis II:
Prophase IIMetaphase IIAnaphase IITelophase IIWhat events occur during meiosis I and meiosis II?During meiosis, a specialized type of cell division that occurs in sexually reproducing organisms, two rounds of division take place: meiosis I and meiosis II. Here are the events that occur during each phase:
Meiosis I:
Prophase I: Chromosomes condense and pair up, forming homologous pairs. Crossing over, the exchange of genetic material between homologous chromosomes, occurs. The nuclear envelope begins to break down.
Metaphase I: Homologous chromosome pairs align at the center of the cell, called the metaphase plate, by attaching to spindle fibers.
Anaphase I: Homologous chromosomes separate and move to opposite poles of the cell, pulled by the spindle fibers.
Telophase I: Chromosomes reach the opposite poles, and the nuclear envelope reforms. Cytokinesis, the division of the cytoplasm, may occur, resulting in two haploid cells.
Meiosis II:
Prophase II: Chromosomes condense again, and the nuclear envelope breaks down. Spindle fibers begin to form.
Metaphase II: Chromosomes line up individually along the metaphase plate.
Anaphase II: Sister chromatids separate and move to opposite poles of the cell.
Telophase II: Chromosomes reach the opposite poles, and a new nuclear envelope forms around each set of chromosomes. Cytokinesis occurs, resulting in the formation of four haploid cells.
Overall, meiosis I reduces the chromosome number from diploid (two sets of chromosomes) to haploid (one set of chromosomes), while meiosis II separates sister chromatids to generate four genetically unique haploid cells, known as gametes. These gametes are ready for fertilization and contribute to genetic diversity in sexually reproducing organisms.
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Figure 1 is a diagram of water molecules at the air-water interface at the surface of a pond.
Based on Figure 1, which of the following best describes how the properties of water at an air-
water interface enable an insect to walk on the water's surface?
Hydrogen bonds among molecules on the floor of the water offer floor anxiety, which lets in the water floor to deform however now no longer ruin beneathneath the insect.
Water striders are capin a position to stroll on pinnacle of water because of a aggregate of numerous factors. Water striders use the excessive floor anxiety of water and long, hydrophobic legs to assist them live above water. Water striders use this floor anxiety to their benefit via their enormously tailored legs and dispensed weight.
Insects can stroll on water due to a phenomenon known as floor anxiety. This is largely a assets of water (or any liquid) which lets in it to face up to an outside force.
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A scientist observes the ocean tides moving large amounts of sand away from the beach. This is evidence for which type of natural process?
Physical weathering
Chemical Weathering
Erosion
Deposition
Answer:
C erosion
Explanation:
its taking away part of the beach, and it happens slowly over time
Answer:
c
Explanation:
The circle graphs show the compositions of four different
soils.
Witch will be the most fertile?
Answer:
number 4 41 clay sediment 22 air 9 humus 28 water
According to the information, among the four different soils, soil type 4 is the most fertile one.
What are the different types of soils?The different types of soils are as follows:
Clay soil: It is heavy, high in nutrients, wet and cold in winter, and baked dry in summer.Sandy soil: It is light, dry, warm, low in nutrients, and often acidic.Silt soil: It is fertile, light but moisture-retentive, and easily compacted.Loamy soil: It is the mixture of clay, sand, and silt that avoid the extremes of each type.Riverine soil is typically formed by the deposition of small particles and sediments that are consequently carried by rivers and sea waves over many years, which makes this soil very fertile.
It consists of various proportions of sand, silt, and clay. It is also rich in organic nutrients. Soil type consists of a good quantity of clay, humus, water, and air. It is one of the most ideal and fertile soil.
Therefore, according to the information, among the four different soils, soil type 4 is the most fertile one.
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