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Related Questions
James wants to know which brand of shoe will help him run faster. He thinks the more expensive shoe should be the one that helps him run faster. He tries three different types of running shoes. He runs one lap on the track with pair of shoes ( shoe A) and times how long it takes. He rests for 15 minutes. Then, he tries on another of shoes (shoe B) and runs a lap around the track, while timing how long it takes. He rests for 15 minutes before repeating the lap with the last brand of shoes (shoe C). Which type of investigation did he plete ?
Answers
Answer: shoe c
Explanation: shoe c he ran 3 laps in total
Mark this and return
How is energy related to the change of state
represented by the model?
O Atoms gain energy as a gas changes to a solid.
Atoms gain energy as a gas changes to a liquid.
Atoms lose energy as a gas changes to a solid.
Atoms lose energy as a gas changes to a liquid.
Answers
The energy is related to the change of state represented by the model by: D. Atoms lose energy as a gas changes to a liquid.
What is Atoms?A model of the transition from a gas to a liquid is shown in the accompanying image. It demonstrates how atoms or molecules change from being widely scattered as in a gas to being concentrated as in a liquid.
The atoms in this process move from a higher-energy state to a lower-energy state releasing or losing energy in the process. The most common kind of energy loss is heat.
Therefore the correct option is d.
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Could an object, tool, or structure be made without the use of a natural resource? Explain your answer.
Answers
1. What is an ideal gas?
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Answer: An ideal gas is a gas that conforms to the ideal gas law, which is a relation between pressure, volume, and temperature. it is a theoretical gas composed of many randomly moving point particles that are not subject to interparticle interaction. :)
Explanation:
Polar bears are not the only species affected by global warming in the Arctic ecosystem. Predict the impact of environmental change on the stability of this fragile ecosystem. (Choose 3)
Answers
Due to the global warming, the temperatures in the Arctic will continue to rise causing the ice sheets to melt and because of that polar bears and other animals might face extinction.
Global warming as well as other environmental changes in the Arctic are having a crucial impact on the stability of the fragile Arctic ecosystem. As the Arctic continues to warm up, ice sheets will keep melting at an accelerating rate. This can possibly have a major impact on the ecosystem, as many of the species, including polar bears as well as the seals, depend on the ice for their survival.
As the Arctic continues to warm, the sea ice is melting at an accelerating rate. This can have a major impact on the ecosystem, as many species, depend on the ice for their survival.
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which is defined as a change in position for a time interval
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Answer:Motion involves change in position, such as this perspective of rapidly leaving Yongsan Station. In physics, motion means a continuous change in the position of a body relative to a reference point, as measured by a particular observer in a particular frame of reference.
Explanation:
In mitosis, the two resulting cells are called
1. offspring cells
2. infant cells
3. daughter cells
4. sister cells
Answers
Answer:
3
Explanation:
Because the division of the cytoplasm, called cytokinesis, then takes place forming two identical cells
Why is temperature so important to living things?
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Answer:
When temperature is very low than organism cannot survive due to freezeing of its body and when temperature is very high than organism cannot survive due to not getting its daily food or basic requiements such as water of its body.
so it is important.
Its Affects The Physiology Of Living Things
Explanation:
exerts an important influence on living organisms because few can survive at temperatures below 0 °C (32 °F) due to metabolic constraints.
do the usage of synthetic plant hormones for the modification of plant growth have any environmental implications
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The usage of synthetic plant hormones for the modification of plant growth can have environmental implications.
Understanding the Effect of Synthetic Plant HormonesFactors to consider
1. Ecotoxicity: Synthetic plant hormones, if not properly regulated or used in excessive amounts, can pose risks to non-target organisms and ecosystems. They may affect the growth and development of other plants, beneficial insects, and microorganisms, potentially disrupting ecological balance.
2. Soil and Water Contamination: Improper application or disposal of synthetic plant hormones can lead to soil and water contamination. Runoff from treated fields or improper disposal of unused hormones may introduce these compounds into water bodies, potentially affecting aquatic organisms and overall water quality.
3. Resistance and Persistence: Repeated and excessive use of synthetic plant hormones can contribute to the development of resistance in target plant species. This can lead to the evolution of herbicide-resistant weed populations, requiring higher doses or different chemicals to achieve the desired effect. Moreover, some synthetic hormones may persist in the environment for extended periods, potentially impacting subsequent crops or natural vegetation.
4. Non-target Effects: Synthetic plant hormones may influence the growth and development of unintended plant species, leading to unintended consequences such as changes in biodiversity, alteration of natural plant communities, or interference with the natural ecological succession.
5. Human Health Concerns: The potential impacts of synthetic plant hormones on human health are an area of ongoing research. While these hormones are generally considered safe for use in agriculture when used according to regulations, there may be concerns related to exposure, residues, or indirect effects on food quality and safety.
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In hydrochloric acid, HCl, the hydrogen atom orients itself as far away as
possible from each other because this arrangement
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The orientation of the HCl molecule shows us that the compound is polar.
What is HCl?We know that a molecule can be said to be polar if there is a dipole that is existing in the molecule. The dipole is said to be there for HCl because of the fact that the electron cloud is closer to the chlorine atom that the hydrogen atom.
Thus, we can see that the positive end of the dipole is hydrogen and the chlorine is the negative part of the dipole. As such the molecule that we can see as the HCl molecule is a polar molecule from the arrangement of the it.
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I need help just give the answer please
Answers
Answer:
8. Stomach
and the second answer
9. small intestine
A single gene with two alleles control variation in haemoglobin type in sheep. There are three different phenotypes corresponding to genotypes S^AS^A S^AS^B and S^BS^B respectively in a flock of 175 sheep the frequency of allele S^A was found to be 0.6 and frequency of allele S^B WAS found to be 0.4
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Populations in Hardy-Weinberg equilibrium express the same allelic and genotypic frequencies through generations. Number of individuals expressing each phenotype: 63 sheep S^AS^A, 84 sheep S^AS^B, 28 sheep S^BS^B.
What is Hardy-Weinberg equilibrium?The Hardy-Weinberg equilibrium theory states that allelic and genotypic frequencies in populations that is in equilibrium remain the same through generations. No evolutive forces are acting on these populations, so no evolution occurs.
Assuming a diallelic gene,
Allelic frequencies
The frequency of the dominant allele f(X) is pThe frequency of the recessive allele f(x) is qGenotypic frequencies
p² (Homozygous dominant genotypic frequency), 2pq (Heterozygous genotypic frequency), q² (Homozygous recessive genotypic frequency).The addition of the allelic frequencies equals 1
p + q = 1.
The sum of genotypic frequencies equals 1
p² + 2pq + q² = 1
In the exposed example,
Alleles Frequencies
S^A f(S^A) = p = 0.6S^B f(S^B) = p = 0.4Genotypes
S^AS^A ⇒ homozygousS^AS^B ⇒ heterozygousS^BS^B ⇒ homozygousWe need to get the number of animals expressing each genotype and phenotype. To do it, we just need to use allelic frequencies and calculate genotypic frequencies (p², 2pq, and q²), and then multiply these values by the total number of animals (N = 175).
Genotypic and Phenotypic frequencies
F(S^AS^A) = p² = 0.6² = 0.36
F(S^AS^B) = 2pq = 2 x 0.6 x 0.4 = 0.48
F(S^BS^B) = q² = 0.4² = 0.16
Number of individuals expressing each phenotype
S^AS^A ⇒ 0.36 x 175 = 63 individualsS^AS^B ⇒ 0.48 x 175 = 84 individualsS^BS^B ⇒ 0.16 x 175 = 28 individualsYou can learn more about the Hardy-Weinberg equilibrium at
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Complete question
A single gene with two alleles control variation in haemoglobin type in sheep. There are three different phenotypes corresponding to genotypes
S^AS^A S^AS^B and S^BS^BIn a flock of 175 sheep the frequency of allele S^A was found to be 0.6 and frequency of allele S^B WAS found to be 0.4.
Using the hardy weinberg equation calculate the number of sheep with each phenotypes in the flock show your working
ASAP hurry help
The main sugar that is used as a reactant in celular respiration is called
Answers
Answer:
glucose
Explanation:
what is eukaryotic and prokaryotic
Answers
Answer:
Prokaryotic cells are cells without a nucleus. Eukaryotic cells are cells that contain a nucleus.
Explanation:
Eukaryotic cells are cells containing membrane-bound organelles and are the basis for both unicellular and multicellular organisms. In contrast, prokaryotic cells do not have any membrane-bound organelles and are always part of unicellular organisms.
RNA polymerase binds to a specific DNA nucleotide sequence during transcription.
What is the DNA sequence called where RNA polymerase binds, and initiates transcription?
Answers
The specific DNA sequence where RNA polymerase binds and initiates transcription is called the promoter region.
While working in a genetics lab over the summer, you isolated a true-breeding strain of wingless Drosophila. After sharing your results with your mentor, you learn that six other true-breeding strains of Drosophila with the same mutant phenotype have been isolated independently in your lab. Your mentor asks you to determine if the mutants belong to the same complementation group. What is true about flies that belong to the same complementation group?
a. They all have the same mutation in the same wing- development gene. All flies in a complementation group have identical DNA sequences for this gene.
b. They all have some mutation in the same wing-development gene. Each strain may have a different mutation, but the same gene is mutated in all trains in a complementation group.
c. They all have some mutation in some wing-development gene. Each strain may have a different mutation in a different gene, but all strains within a complementation group have the same phenotype.
Answers
Answer:
C: They all have some mutation in some wing-development gene. Each strain may have a different mutation in a different gene, but all strains within a complementation group have the same phenotype.
Explanation:
From the situation of the question given, we can say that the true statement about flies that belong to different complementation groups is option C primarily because Strains existing in different complementation groups obviously would have mutations in different genes.
Part of an organism, possibly one or more bones, is referred to as the organism's __. will give brainlist
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Answer:
Structure
Explanation:
human pathogens are classified as . a. mesophiles b. thermophiles
c.saprophytes d. saprophytes or saprobes e. psychrophiles
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Human pathogens are classified as a. mesophiles.
Human pathogens are microorganisms that are capable of causing disease in humans. These pathogens are classified as mesophiles, meaning that they prefer to live in moderate temperatures.
Mesophiles are organisms adapted to survive in moderate temperatures, usually between 20-45°C. These pathogens can cause a wide range of diseases in humans, including respiratory infections, skin infections, gastrointestinal infections, and more.
Some examples of these kinds of pathogens include bacteria, viruses, fungi, and parasites. It is important to be aware of how these pathogens spread and how to protect yourself from them.
Proper hygiene, such as washing your hands regularly and avoiding contact with people who are ill, can help to reduce your risk of contracting a human pathogen.
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Need help with Levels of Biological organization worksheet.
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Scientists must find a means to explain how different species are linked, and they accomplish this by classifying them according to similar traits, ancestry, and DNA sequences.
What is Biological classification?The one that is currently in use is known as the Linnaean System and was created by Carl Linnaeus in the middle of the eighteenth century.
As new information about cells and DNA has come to light over time, the organization Linnaeus established has undergone modifications. Linnaeus created his classification system using physical traits, but today we employ more sophisticated techniques, such DNA sequencing, to classify creatures.
The categories of the Linnaean system include domain, kingdom, phylum, class, order, family, genus, and species, arranged from widest to most particular.
Therefore, Scientists must find a means to explain how different species are linked, and they accomplish this by classifying them according to similar traits, ancestry, and DNA sequences.
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Tattoo Project
Buffy is fifteen years old and she would like to get a tattoo. Her parents/guardians
have reservations about the safety of the process and damage to her skin caused by
the procedure. In order to be open-minded, they are willing to give Buffy an
opportunity to sway their opinion. She must scientifically research and explain the
process of tattooing and its aesthetic and health consequences using a scientific
approach. You are to place yourself in Buffy's shoes. You must create a report that
will be presented to your parents/guardians. You may use research from a variety
of sources including the Internet, books, interviews, etc.
Included in the report should be detailed information about the structure and
function of the integumentary system, the tattooing process, and what role, if any,
the immune system plays.
Your paper should be double spaced, 12-font, Times New Roman, and 6-8 pages
and black. No more than 25% of the paper (1 1/2-2 pages respectively) should be
Answers
Explanation:
TATTOO PROJECT
Buffy's Story
Dear Mom & Dad,
All I ever wanted was a tattoo. all my friends have them. The safety of the tattooing process and the effect it can have on the skin as well as the health consequences has been researched. I Hope you're convinced to be more open-minded after reading the results.
Which of these is a parasite, A) Venus Fly trap B) Corpse flower C) Corpse Lily D) Grass
Answers
Answer:
Corspe Flower
Explanation:
option b.
I hope this helps
Answer:
c) corpse lily
Pollution that falls out of the atmosphere that originated from a factory is nonpoint, or secondary source, pollution with the factory being the point, or primary source, of the pollution. Is acid rain a point source (primary) or nonpoint source (secondary) of pollution? What is the effect of acid rain on the environment?
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Answer:
acid rain is not a primary source of pollution it's an secondary source of pollution. when extreme level of pollution happened in environment then the acid rain happened. the effects of acid rain in environment is dangerous . if acid rain happened so lack of nutrition and toxicity increases in soil which hampers to the survivable of plants life . destruction of crops , the water of ponds river and sea get polluted which causes problem to the aquatic animals .
hope this will help you .
When animals feed off of land faster than the plants can regrow, the land is _______.
a.
below its carrying capacity
b.
forested
c.
overgrazed
d.
depleted
Answers
Answer:
C. Overgrazed
This is because there were too many animals on the land to feed, when there are to many animals grazing the same piece of land, it is called overgrazing.
Explanation:
When animals feed off the land faster than the plants can regrow, the land is called "overgrazed." Overgrazing is harmful for an ecosystem. It is caused by cows, goats, etc.
What is overgrazing?Grass is consumed by animals such as cows and goats. Due to overgrazing, the ecosystem is harmed. Due to overgrazing, the plantation of an area is affected. The plants cannot regrow early because they have been fed by animals. Due to the low plantation, it affects the ecosystem's rainfall.
Less transpiration by plants is the result of less rainfall. Hence, less precipitation is seen. The overgrazing causes soil erosion. Generally, soil is held by the roots of the plants. As plants are not there, soil can be easily erased by floods and other natural calamities. The soil erosion caused the land to become sterile. The crops won't grow on sterile land. The infiltration capacity of the soil is reduced.
Hence, the correct answer is "overgrazed." Option C is the correct answer.
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Which of the following would not be included in the full cost pricing of a product?
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Among the many alternatives, the full cost pricing aspect that is inaccurate is that "it ignores the relationship between demand and prices."
Full cost pricing is a pricing method that takes into account all fixed and variable expenses involved in creating a something or offering a service. It entails figuring out the overall cost per unit, which accounts for both direct (variable costs) and indirect (fixed prices) expenses. A targeted profit margin is often added to the overall cost per unit to determine price.
Full cost pricing, however, takes into account how demand affects costs. In reality, while choosing the best pricing strategy, it's crucial to take market demand and price elasticity into account. Recognising market price sensitivity and consumer demand.
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Why are some species of insects exempt from being protected under the US Endangered Species ACT of 1973?
A)
because their populations have not been affected by harvesting
B)
because they are already protected
C)
because they are pests and can presents risks to humans
D)
because they reproduce in great numbers
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Answer:
C
Explanation:
because they are pests and can presents risks to humans
are all experiments designed the same way?
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Answer:
Design of Experiments (DOE) is also referred to as Designed Experiments or Experimental Design - all of the terms have the same meaning. Experimental design can be used at the point of greatest leverage to reduce design costs by speeding up the design process, reducing late engineering design changes, and reducing product material and labor complexity.
how does a crab moves,and why
Answers
Answer:
Most crabs usually stroll on the beach by walking sideways. But crabs can also walk forward, backward and diagonally. Because crabs have stiff, jointed legs, they move faster and easier walking sideways. ... A crab walking sideways pulls itself along with one set of legs and pushes with the other.
How many calories are found in food that is labeled 20 Calories?
Answers
Answer:
20 Calories
Explanation:
If a food product is labeled to contain 20 calories, it likely contains the number of calories. Keep in mind, these labels can be inaccurate.
The sodium-potassium pump is a specialized type of transport protein found in your cell membranes. The pump's
job is to move potassium ions into the cell in
the direction of low to high concentration. In order for this to happen, the cell uses energy
to operate the pump. This is an important step in the function of our
nerve cells. What type of transport does the sodium-potassium pump use?
A. Diffusion
B. Active Transport,
C. osmosis
D. Passive Transport
Answers
Answer:
Active Transport
Explanation:
Active Transport requires energy input
What does Dr. David Liu say about base editors and why they could
be a better tool over CRISPR?
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Answer:
my and I am just asking for a few days ago do you have any questions or concerns please visi