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A person pushes the same box with the same amount of force on 3 different surfaces. Which surface exerts the least friction on the box?
*WRITE AS A CER*
Answers
Answer:
Read explanation
Explanation:
Surface C exerts the least amount of friction on the box. Evidence that proofs this claim is that the length of time it took the box to stop is greatest compared to surfaces A and B. The box and the amount of force added is the same for each surface test. It would take the box less time to come to a stop the more friction there is upon the surface. Surface A having the quickest stop time meaning it has the most friction and C having the most time showing that it has the least amount of friction. In conclusion, surface C exterts the least amount of friction on the box.
Related Questions
explain the effects on anaerobic respiration on plants and animals
Answers
Answer:
Anaerobic respiration in plants produces ethanol (C2H5OH) whose accumulation may kill the plant, whereas in animals anaerobic respiration produces lactic acid (CH3CH(OH)COOH) that however cannot cause death of animal but lead to minor muscle cramps, but they can be cured with hot water bath or a massage.
Summarize What adaptations do cephalopods have to live an active way of life?
Answers
Answer:
The answer is below
Explanation:
The adaptations that cephalopods have, to live an active way of life are numerous, some of which are:
1. Development of a SIPHON. This is a form of the adapted foot that supports survival such as swimming and directional movement.
2. A powerful and flexible arm for movement and protection
3. Using ink to form visual distractions, against predators.
Note that a good example of cephalopods are known as octopus
_____ in carbon dioxide in your red blood cells, which causes _____ in pH, causes your breathing to speed up. See Concept 42.6 (Page) View Available Hint(s) _____ in carbon dioxide in your red blood cells, which causes _____ in pH, causes your breathing to speed up. See Concept 42.6 (Page) A decrease ... a drop An increase ... a rise An increase ... a drop A decrease ... a rise Actually, it is the rise and fall of oxygen, not carbon dioxide, that controls breathing.
Answers
Answer:
1 An increase
2 A drop
Explanation:
describe how a non-resistant Staphylococcus aureus bacterium can produce a bacterium that is resistant to methicillin
Answers
Explanation:
characteristics of enzymes
S. aureus can develop resistance to methicillin and other -lactam antibiotics by expressing a foreign PBP, PBP2a, which is resistant to methicillin but can perform the functions of the host PBPs.
What is Staphylococcus aureus?Staphylococcus aureus is a Gram-positive round-shaped bacterium that pertains to the Bacillota and is a popular member of the body's microbiota, commonly found in the upper respiratory tract and on the skin.
S. aureus can develop resistance to methicillin and other -lactam antibiotics by expressing a foreign PBP, PBP2a, which is resistant to methicillin but can perform the functions of the host PBPs.
Thus, in this way a non-resistant Staphylococcus aureus bacterium can produce a bacterium that is resistant to methicillin.
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Agriculture is the main sources
lincome of Nepal Justify
this statments
give me long answer
Answers
Answer:
Agriculture is the mainstay of the economy, providing a livelihood for more than 70% of the population and accounting for a little over one-third of GDP,” according to the CIA. “Industrial activity mainly involves the processing of agricultural products, including pulses, jute, sugarcane, tobacco, and grain.
List 2 organelles found in an animal cell and explain how those 2 organelles benefit the cell.
Answers
Answer:
I chose nucleus and the mitochondria
Explanation:
The nucleus is particularly important among eukaryotic organelles because it is the location of a cell's DNA. Two other critical organelles are mitochondria and chloroplasts, which play important roles in energy conversion and are thought to have their evolutionary origins as simple single-celled organisms.
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Cell includes a cell membrane, cytoplasm and cell organelles. Cell organelles are mitochondria, golgi bodies, nucleus, ribosomes, vacuoles, lysosomes, centrioles, etc.
What are cell organelles?Cell organelles are the structures present in cell that are responsible to carry out necessary processes and maintains homeostasis.
This can include nucleus, mitochondria, golgi bodies, ribosomes, etc.
Nucleus: Nucleus is a membrane bound cell organelle that contain an entangled thread like structure called as chromatin material. This chromatin material condenses at the time of cell division and forms chromosomes. Nucleus also contain nucleolus that helps in formation of ribosomal units. it contains a fluid called as nucleoplasm.Ribosome is the organelle that is involved in formation of protein. It has two subunits i.e. a smaller one and a bigger one. these subunits are joined at the time of protein synthesis and are formed in nucleolus of nucleus.
Thus, these were explanation of two cell organelles along with their explanation.
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This causes a population to reach its carrying capacity:
1. Habitat
2. Exponential growth
3. Niche
4. Limiting factor
Answers
How did people in the North use natural resources differently than people in the South? (5 points) a They were more industrial, while Southerners were more agricultural. b They protected their natural resources better than the Southerners. c They used their own natural resources to run their factories and farms. d They were more agricultural, while Southerners were more industrial.
Answers
Answer:
i would choose A.
Explanation:
the north was definitly more industrial
hope this helps!
Thay protected their natural resources better than the sotherners
1. Which equation best represents the dissociation of water molecules into hydrogen ions and hydroxide ions?
Answers
Your welcome
What's Chlorophyll ?
Answers
Answer:
Chlorophyll is any of several related green pigments found in the mesosomes of cyanobacteria and in the chloroplasts of algae and plants. Its name is derived from the Greek words χλωρός, khloros and φύλλον, phyllon. Chlorophyll is essential in photosynthesis, allowing plants to absorb energy from light.
Explanation:
Explanation:
Chlorophyll is a green photosynthetic pigment found in plants, algae, and cyanobacteria. Chlorophyll absorbs mostly in the blue and to a lesser extent red portions of the electromagnetic spectrum, hence its intense green color.
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A population of deer has a carrying capacity of 875 deer, with a maximum rate of increase of 1.0 per individual per year. Using the logistic population growth model, what is the approximate population growth rate for a population of 420 deer?
148 deer per year
218 deer per year
307 deer per year
474 deer per year
Answers
Answer:
Option B, 218 deer per year
Explanation:
As we know
[tex]\frac{dP}{dt} = kP (1- \frac{P}{K})[/tex]
Where K is the carrying capacity
K is the rate constant
dP/dt is the change in population per unit time and
P is the population
Substituting the given values we get
[tex]\frac{dP}{dt} = k * 420 * (1-\frac{420}{875})\\= 1 *420 * (1-0.48)\\= 218[/tex]
Option B is correct
Answer:
218!
Explanation:
took the flvs test and got it correct
If a strand of DNA has the nucleotide sequence: AATGCT, what is the complementary sequence of RNA nucleotides that would be made from it?
Answers
Answer:
Explanation:
All the best
What is the term for a strong response to a harmless antigen in the environment? Notice the word Harmless in the question.
a. inflammatory response
b. an autoimmune disease
c. cell-mediated immunity
d. an allergy
Answers
The Himalayas in central Asia are the tallest mountains in the world. But fossils of seashells can be found high in these mountains, far from any ocean.
How do you think they got there?
I will mark you brainiest
Answers
Answer:
At one point in Earth's history the mountains were under water
Explanation:
Hope this help!!
The poles of the planet experience many months in a row when the Sun
never sets. Why are the North and South poles still relatively cold during
these times?
Answers
The missing options are:
A. The Sun is still low in the sky, so the solar intensity is low.
B. The Sun is low in the sky, so the solar intensity is high.
C. The poles were cooling for six months with no sunlight, and it takes a long time to warm up.
D. Both A and C are correct.
The correct answer is D. Both A and C are correct.
Even though the Sun never sets for many moths in the North and South poles, these are still cold because for them to warm up:
The Sun's rays should impact directly on the poles, as it happens with the rest of the Earth during summer.As they are large pieces of land, it takes a lot of time to warm them, and it takes more than six months to do so, even more with the Sun no impacting directly on them.In conclusion, the poles are cold because they are never positioned directly in front of the Sun since the Earth has an inclined axis. As a result, the rays directly impact the rest of Earth during its yearly journey around the Sun, resulting in high solar intensity, with high temperatures, during summer. Besides, as the Sun's rays have a very low intensity in the poles, they could never warm up these parts of Earth in six months; they need more time.
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Which molecules are used for releasing energy in the cell
1. glucose, carbon dioxide and water
2glucose, oxygen and amino acids
3glucose and oxygen
4glucose and amino acids
Answers
Answer: glucose and Oxygen
Explanation: Glucose is converted to water and carbon dioxide in mitocondries and energy is released. Oxygen is needed to reaction.
Amino acids can be converted to energy but that is not primary purpose of amino acids.
What three structures are responsible for aiding the process of making transporting or storing protein
Answers
Answer:
the nucleus, ribosomes, the rough endoplasmic reticulum and the Golgi apparatus
Explanation:
Which of the following steps happens first during transcription?
A. RNA polymerase reaches the end of the gene.
B. RNA polymerase reaches the beginning of a gene.
C. RNA polymerase pulls apart the double helix.
D. RNA polymerase produces mRNA from DNA.
Answers
The correct option for the given question about Genetic transcription is Option B) RNA polymerase reaches the beginning of a gene.
What is Genetic Transcription?It is one among the initial steps in the expression of genes. The transport of genetic information from DNA to proteins occurs sequentially through the processes of transcription and translation. During transcription, just one strand of DNA known as the template strand is replicated, and the resulting RNA is referred to as messenger mRNA.Transcription's primary goal is to create an RNA copy from a DNA sequence. The data required to encode a protein is carried by the RNA transcript.RNA polymerase is the key enzyme responsible for Genetic transcription.It creates a complementary RNA strand from single strand DNA.
Thus we conclude that during the first step of genetic transcription RNA polymerase reaches the beginning of a gene.
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Answer: B <3
Explanation:
Which is involved in refraction? A. colors B. shadows C. speed of light D. absorption of light
Answers
the speed of light involved in refraction
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Birds ______________ when resources such as food and nesting locations are low. Migrating is a behavioral adaptation.
Answers
Answe
Explanation:
Birds __MIGRATES__when resources such as food and nesting locations are low. Migrating is a behavioral adaptation.
Answer:
Person above was right. Birds migrate when resources are low.
Explanation:
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what does jaws of life do
Answers
Answer:
The "Jaws of Life" is a crucial tool to fire and rescue squads to save hundreds of lives every year. ... The “Jaws of Life” is used indeterminately for pretty much any type of heavy-duty tool that acts like a pair of scissors, cutter, spreader, or ram-device aimed at slicing and dicing through most automotive metals.
Explanation:
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All matter has the same properties.
A.True
B.False
Answers
Answer:
True
Explanation:
Answer:
False.
Gaseous matter is non-visible, solid and liquids are visible--already making them different. All matters (including the 4th matter) have different chemical and physical properties.
What is the force of a 3 kg skateboard accelerating at a rate of 4m/s2? Plug in the numbers: Force = mass x acceleration
Answers
Mass= 3kg
Acceleration =4m/s
Putting the formula:
F=m*s
F=3*4
F=12N( Newton is the S.l unit of force)
What makes Pluto different from the 8 planets in our Solar System?
Answers
Answer:
Hey mate.......
Explanation:
This is ur answer.....
The International Astronomical Union (IAU) downgraded the status of Pluto to that of a dwarf planet because it did not meet the three criteria the IAU uses to define a full-sized planet. ... It contains the asteroid belt as well as the terrestrial planets, Mercury, Venus, Earth, and Mars.
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Which of the following accurately contrasts genotype and phenotype?
1. A genotype is traits that are passed on genetically, while a phenotype is traits that are developed environmentally.
2. A genotype is genetic traits that are inherited from the father, while a phenotype is traits passed from the mother.
3. A genotype is genetic traits that cannot be observed, while a phenotype refers to observable traits.
4. A genotype is traits that are not predictable, while a phenotype refers to traits that can be predicted.
Answers
Answer:
3.
Explanation:
genotypes are traits embedded in the genes that cannot be observed whilst, a phenotypes are traits that are physically displayed by the body and therefore, can be observed.
example,
genetic factor - brown colored eyes.
connotation for the gene - B
Genotype - BB.
phenotype - brown colored iris.
hope it helps. :)
How dose natural selection affect population by?
Answers
Answer:
individuals that develop beneficial traits have a better chance of survival, and are then able to pass on their genes. Eventually, if enough of those genes are passed on, that gene will become more prominent within the population.
Which best describes a recessive allele?
Answers
Answer:
B (imo)
Explanation:
Answer:
The answer for the question is D
How might biology help you to better understand environmental issues?
Answers
Answer:
An understanding of biology can help you make choices and decisions that affect your health. Biologists and other scientists research environmental issues such as pollution, biodiversity,land conservation, and natural resource use.
Explanation:
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How does binomial nomenclature help scientists?
help!!!
Answers
Answer:
Explanation:
Bionomial nomenclature helps scientists by helping them classify organisms. This would be a two-name system that scientists use that describes the genus and species of the organism.
What part of the bacteriophage attaches and anchors itself to the bacteria?
Answers
Answer: Proteins in the "tail" of the phage bind to a specific receptor (in this case, a sugar transporter) on the surface of the bacterial cell. Entry: The phage injects its double-stranded DNA genome into the cytoplasm of the bacterium.
Explanation: