Answer:
A) The waves have trough
Explanation:
100% sure
The statement 'the waves have a trough' applies to transverse waves.
What are transverse waves?Transverse waves are a type of wave in which their fluctuations need to be perpendicular to the wave.
Conversely, longitudinal waves are waves in which their oscillations have the same direction of the wave.A wave can be defined as any type of disturbance capable of carrying energy but that does not involve motion.In conclusion, the statement 'the waves have a trough' applies to transverse waves.
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During normal mitotic cell division, a parent cell having 36 chromosomes will produce two daughter cells, each containing
72
18
9
36
Answer: 36 chromosome
Explanation:
What role does cellular respiration play in the carbon cycle?
A. It removes CO2 from the atmosphere during glycolysis.
B. It removes CO2 from the atmosphere during the citric acid cycle.
C. It releases CO2 to the atmosphere during acetyl CoA formation.
D. It releases CO2 to the atmosphere during electron transport.
Answer:
c
Explanation:
Describe the two phenomena (sub-problems) that caused the contamination of Cleveland
drinking water.
Answer:
So you can give the other person brainliest
Explanation:
Please help
Explain Give two examples of how abiotic factors are influenced by biotic factors?
Answer: If this doesn't help just let me know
The abiotic factors will define which organisms are able or not to live in a specified place. The living organisms will constitute the biotic factors, which define if and how can an organism live in a specified environment. So, the abiotic factors are controlling the biotic factors of an environment.
The interaction between humans and water and plants and soil are examples of the influence of biotic factors on abiotic ones.
Biotic and abiotic factors are biological terms to refer to:
Abiotic factors: are the set of non-living physical and chemical components of an ecosystem.Biotic factors: are the set of living components of an ecosystem.According to the above, living beings (biotic factors) can affect abiotic factors such as water because they contaminate it with chemicals or waste.
Also, plants (biotic factors) see the soil (abiotic factors) because they provide them with nutrients.
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Someone please do this for me, due soon. I'll give brainliest, thanks and 5 stars.
I attached an image to my question.
Answer:
Yes.
Explanation:
Yes, a tree is falling over in a forest make a sound because both the tree and ground are hard surfaces which can produces sound by contact physically with each other. For testing this hypothesis, we have to take a tree and cut that tree. when the tree falls on the ground it will definitely produces sounds by contact physically with the ground when falls with a large force.
Sally puts on wool socks and rubs her feet on a nylon carpet. How does static electricity build up in Sally?(1 point)
A. When electrons from the wool socks move into the carpet, Sally and her socks gain a negative charge.
B. Electrons from the wool socks move into the carpet, giving Sally and her socks a positive charge.
C. Electrons from the carpet move into the wool socks, giving Sally and her socks a positive charge.
D. The friction causes electrons from the wool socks to move to Sally, giving Sally a negative charge.
D. The friction causes electrons from the wool socks to move to Sally, giving Sally a negative charge.
When Sally rubs her wool socks on a nylon carpet, the friction between the two materials causes the transfer of electrons. This transfer of electrons can cause Sally and her wool socks to have an excess of negative charge.
When Sally puts on wool socks and rubs her feet on a nylon carpet, friction is generated between the socks and the carpet. This causes electrons to be transferred from the wool socks to Sally, giving Sally a negative charge. This is because wool has a greater affinity for electrons than nylon, so when the two materials rub against each other, some of the electrons are transferred from the wool to the nylon.
As a result, the wool socks become positively charged, while Sally's body becomes negatively charged. This is how static electricity builds up in Sally.
Therefore, the correct answer is (D) The friction causes electrons from the wool socks to move to Sally, giving Sally a negative charge.
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coyote
black-footed ferret
hawk
bison
rabbit
prairie dog
blue stem grass
Which argument for protecting the prairie dog best relates to the flow of energy in the ecosystem?
A. Prairie dogs eat grass and other plants that cattle graze on
B. Prairie dogs are an important source of food for many other species.
C Prairie dogs dig in the soil, which improves its quality and helps plants grow.
D. Prairie dogs make burrows which are used as habitat by other important species.
I think that would be B: Prairie dogs are an important source of food for many other species.
hope this helps. and please correct me if I'm wrong ^^
A scientist at the polar ice cap was studying an ice sample from hundreds of meters below the surface. While examining the ice, the scientist found some cells. Using an electron microscope, the scientist identified these cell structures: a cytoskeleton, mitochondria, nucleus, cell wall and ribosomes.
To which Domain do these cells belong?
Based on the presence of cell structures such as cytoskeleton, mitochondria, nucleus, cell wall, and ribosomes, these cells likely belong to the Domain Eukarya.
Based on the presence of specific cell structures, we can determine the Domain to which these cells belong. Let's analyze each cell structure:
Cytoskeleton: The cytoskeleton is a network of protein filaments that provides structural support to cells. It is found in eukaryotic cells.Mitochondria: Mitochondria are membrane-bound organelles responsible for energy production through cellular respiration. They are present in eukaryotic cells.Nucleus: The nucleus is a membrane-bound organelle that contains the genetic material (DNA) of the cell. It is found in eukaryotic cells.Cell wall: The cell wall is a rigid outer layer that provides support and protection to the cell. In this case, the presence of a cell wall suggests that the cells belong to the Domain Bacteria or Domain Archaea.Ribosomes: Ribosomes are involved in protein synthesis and can be found in cells of all domains.Considering that the cells possess a cytoskeleton, mitochondria, nucleus, and ribosomes, they are eukaryotic cells. Therefore, the cells belong to the Domain Eukarya.
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In our solar system, how do the general characteristics (composition, number of moons, presence of rings, and atmosphere) of the outer planets differ from the general characteristics of the inner planets?
Answer:
The four Inner planets have slower orbits, slower pin, no rings and they are made of rock and metal. The four Outer planets have faster orbits and spins, a composition of gases and liquids, numerous moons, and rings.
The Outer planets are made of hydrogen and helium, so they are called gas giants.
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The solar system has eight planets, the remaining four are outer planets, and four are inner planets, beyond the asteroid belt are the outer planets.
How do outer planets differ from inner planets?The term "Jovian planets" refers to gaseous outer planets. Terrestrial planets are the inner planets. While inner planets only have one to two moons, outer planets have a large number of moons.
Compared to outer planets, inner planets are located closer to the Sun. The size of the outer planets is greater than that of the inner planets.
The orbital periods of outer planets are longer than those of inner planets. Unlike inner planets, outer planets have a ring system.
Therefore, the four outer planets have a more extensive moon and ring systems, longer orbits and spins, and are made up mostly of gases and liquids.
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Modeling of multi-component gas separation with asymmetric hollow fiber membranes - methane enrichment from biogas
Multi-component gas separation can be modeled using asymmetric hollow fiber membranes. These membranes have different properties on each side, allowing for selective separation of gases based on their molecular size and affinity for the membrane material.
In the case of methane enrichment from biogas, the asymmetric hollow fiber membranes can selectively remove impurities such as carbon dioxide, nitrogen, and other contaminants, leaving behind a higher concentration of methane. This process is known as gas enrichment. By optimizing the design and properties of the asymmetric hollow fiber membranes, methane enrichment from biogas can be achieved more efficiently, leading to a higher purity of methane. This has important applications in biogas purification for energy production and reducing greenhouse gas emissions.
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Regarding future clinical applications of human germline genome editing, genetics organizations advise that these should only proceed if ______.
Genetics organizations advise that future clinical applications of human germline genome editing should proceed only with broad consensus, rigorous safety assessments, and a focus on addressing serious genetic diseases while adhering to ethical guidelines.
Regarding future clinical applications of human germline genome editing, genetics organizations advise that these should only proceed if certain conditions are met. These conditions include strict adherence to ethical guidelines and a thorough assessment of the potential risks and benefits involved.
One crucial condition is the requirement for broad societal consensus and public engagement on the ethical and social implications of germline genome editing. It is crucial to involve various stakeholders, including experts in genetics, bioethics, and public opinion, in discussions and decision-making processes.
Another condition is ensuring the safety and efficacy of the genome editing techniques used. Extensive preclinical research, including animal studies, should be conducted to establish the reliability and precision of the editing tools. Additionally, rigorous clinical trials must be carried out to assess the long-term effects and potential unintended consequences of germline editing.
Lastly, genetics organizations emphasize the importance of using germline genome editing only for addressing serious genetic diseases that have no reasonable alternatives and where the benefits outweigh the risks. The focus should be on therapeutic interventions rather than enhancements or non-medical traits.
In summary, genetics organizations advise that future clinical applications of human germline genome editing should only proceed with broad societal consensus, rigorous safety assessments, and a strong focus on addressing serious genetic diseases while adhering to strict ethical guidelines.
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a boundary formed when two plates move past each other
A transform boundary is created when two plates pass one another. The right choice from the available alternatives is option C.
When two tectonic plates of the Earth pass one another, it forms a transform boundary. Localized faults or fissures may form as a result of the two plates interacting with one another as they pass one another. The following is a basic explanation of a transform border, but they are more complicated than that.
Two more boundary types aside from transform boundaries are divergent borders and convergent borders. At convergent boundaries, tectonic plates contact with one another; at divergent boundaries, they separate from one another. A transform boundary is created when two plates pass one another.
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Correct Question:
A boundary formed when two plates move past each other
1. Ocean basin
2. Divergent boundary
3. Transform boundary
4. Convergent boundary
Write about an invention that you think the world would be better off without. Why do you believe it is such a terrible invention? What harm has it caused mankind?
Gun
Explanation:
it has caused many to die, yes the government brought that to help with security but it has gotten into Tue hands of those that have no value for human life. Take the case of the Boko harm in surgery in Nigeria, all of them are armed with Ak47's and they use it to kill innocent Nigerians not only that there are series of cases of accidental shootings AND that's how a life is lost. You can't really argue with me considering the fat that life is priceless. thank me later
How is the use of hydroelectric power related to the sun?
a. The sun powers the water cycle.
b. Solar cells collect hydroelectric energy.
c. Hydroelectric power can only be collected in sunlight.
d. Sunlight combines atoms in the air to form molecules of water.
Answer:
n
Explanation:
Answer:
the answer is A
Explanation:
The sun powers the water cycle and creates precipitation and the dams run off of water from the rain added to the river or lake.
What organelle is the colored green and located on the outside of the plant cell?
The organelles that are unique to plant cells are the chloroplast, cell wall, plastids, and a large central vacuole. The chloroplasts, which contain the chlorophyll pigment, are what initiate photosynthesis.
Chlorophyll, the green pigment necessary for photosynthesis and giving plants their green hues, is found in chloroplasts. The carotenoid pigments found in chromoplasts give plants their numerous red, orange, and yellow hues.
Even though a cell wall is not an organelle, it is a significant and distinctive structure in plant cells, thus we have included it here. In both plants and fungi, vacuoles are prevalent and serve a variety of purposes. They are membrane sacs with a structure that is comparable to vesicles, and these two words are sometimes used interchangeably.
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1. What happens to the sunlight as it passes through the atmosphere?
The sunlight is abosorbed and weakened when it passes through the atmosphere, being also scatterred by the air and dust in the atmosphere with short wavelengths scatter more than longer wavelengths. Therefore, the radiation can go forward in part while some is blocked by the constituents of the atmosphere.
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Functional groups
Answer: I don't have a definitive answer for this question but I do have a helpful explanation.
Explanation: Try to find out what each letter means and organize the elements by how they connect to each other. If you don't know you can research to find a diagram that can help show you how to connect these functional elements. You could try searching how do you find the elements of HOH in a diagram.
what is cell specialization in a multicellular organism
Answer:
the process by which generic cells change into specific cells meant to do certain tasks within the body.
Explanation:
hope this helps
how do you solve for percentage in a punnett square?
Answer:
Count the total number of boxes in your Punnett Square. This gives you the total number of predicted offspring. Divide the (number of occurrences of the phenotype) by (the total number of offspring). Multiply the number from step 4 by 100 to get your percent.
If someone’s urine is very dark,explain what is happening in the blood and kidney .Use the terms concentration ,solute ,water and osmosis
When someone's urine is very dark, it typically indicates that their blood or kidney is experiencing a high concentration of solutes.
What are Solutes?
Solutes are substances that are dissolved in a solvent (usually a liquid) to create a solution. They can be either a solid, liquid, or gas, and can be composed of a single type of molecule or a combination of molecules. Examples of solutes include sugar, salt, and acids.
This can be caused by a variety of factors, including dehydration. When the body is dehydrated, it attempts to conserve water by reabsorbing it from the kidneys, which results in a higher concentration of solutes in the blood and urine. This can also occur if the body is unable to properly process and eliminate waste, leading to the accumulation of excess solutes in the kidneys and urine. Osmosis is the process by which the body balances the concentration of solutes in the blood and body fluids by exchanging water between the cells and the surrounding environment. If the concentration of solutes in the blood and urine is too high, osmosis causes the body to pull water from the cells, resulting in dehydration and dark urine.
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PLEASE ANSWER !!!
Our sun is a low mass main sequence star at the middle of its life cycle. Explain how the
appearance of the sun's location on the HR diagram will change as it continues to the end of
its life cycle.
Answer:
Accordingly, when our Sun comes up short on hydrogen fuel, it will grow to end up a red monster, puff off its external layers, and after that settle down as a minimal white small star, at that point gradually chilling off for trillions of years. All incredible, in the long run — in around 5 billion years — our sun will, as well. When its supply of hydrogen is depleted, the last, sensational phases of its life will unfurl, as our host star extends to wind up a red Goliath and afterward shreds its body to consolidate into a white smaller person Explanation:
hope that helps.
__ is the process by which the nervous system converts an external stimulus (such as sound waves or light energy) into electrical signals within neurons.
sensory transduction is the process by which the nervous system converts an external stimulus (such as sound waves or light energy) into electrical signals within neurons.
Sensory transduction is the fundamental mechanism by which the nervous system converts external stimuli, such as sound waves, light energy, temperature, pressure, or chemicals, into electrical signals called action potentials or nerve impulses that can be interpreted by the brain.
Let's take the example of sound. When sound waves enter the ear, they travel through the ear canal and eventually reach the eardrum, a thin membrane at the end of the ear canal.
The sound waves cause the eardrum to vibrate, which in turn moves the tiny bones in the middle ear called the ossicles. These ossicles amplify the sound vibrations and transmit them to the cochlea, a spiral-shaped structure in the inner ear.
Within the cochlea, there are specialized sensory cells called hair cells. These hair cells are responsible for converting mechanical vibrations into electrical signals.
Hair cells have tiny hair-like structures, called stereocilia, on their surfaces. When the fluid within the cochlea is set into motion by the vibrations, it causes the stereocilia to bend.
The bending of the stereocilia leads to the opening of ion channels, allowing ions (charged particles) to flow into the hair cell. This influx of ions generates changes in the electrical potential of the hair cell, which triggers the release of neurotransmitters at the synapses between the hair cells and the sensory neurons.
The neurotransmitters then bind to receptors on the sensory neurons, initiating the generation of action potentials. These action potentials are electrical signals that travel along the sensory neurons towards the brain, transmitting the information about the sound.
Once the electrical signals reach the brain, they are processed and interpreted, allowing us to perceive and make sense of the external stimulus. In the case of sound, the electrical signals are conveyed to the auditory cortex, where they are further analyzed, enabling us to recognize and interpret the specific characteristics of the sound, such as its pitch, volume, and location.
Sensory transduction is a crucial step in the sensory perception process, as it enables the conversion of various types of stimuli into electrical signals that can be transmitted and processed by the nervous system, ultimately leading to our perception of the world around us.
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Suppose we had a genetic experiment where we hypothesize the 9:3:3:1 ratio of characteristics A, B, C, D. The hypotheses to be tested are H0: p1 = 9/16, p2 = 3/16, p3 =3/16, p4 =1/16, H1: at least two proportions differ from those specified. A sample of 160 offspring are observed and the actual frequencies are 82, 35, 29, and 14, respectively.
To test the hypotheses regarding the observed frequencies of characteristics A, B, C, and D, we can use a chi-squared goodness-of-fit test. This test will help determine whether the observed frequencies significantly deviate from the expected frequencies based on the hypothesized ratios.
Let's proceed with the hypothesis test:
Step 1: Define the hypotheses:
H0: p1 = 9/16, p2 = 3/16, p3 = 3/16, p4 = 1/16 (the observed frequencies follow the expected 9:3:3:1 ratio)
H1: At least two proportions differ from those specified.
Step 2: Set the significance level (α):
The significance level, denoted as α, determines the threshold for deciding whether to reject the null hypothesis. Let's assume a significance level of α = 0.05, which is a common choice.
Step 3: Calculate the expected frequencies:
Based on the hypothesized ratios, we can calculate the expected frequencies for each characteristic. Since the sample size is 160, we multiply each proportion by 160 to obtain the expected frequencies:
Expected frequency for A: (9/16) * 160 = 90
Expected frequency for B: (3/16) * 160 = 30
Expected frequency for C: (3/16) * 160 = 30
Expected frequency for D: (1/16) * 160 = 10
Step 4: Perform the chi-squared test:
We can now calculate the chi-squared statistic using the formula:
χ² = Σ((O - E)² / E)
where Σ represents the sum over all categories, O is the observed frequency, and E is the expected frequency.
For our example:
Observed frequencies: O(A) = 82, O(B) = 35, O(C) = 29, O(D) = 14
Expected frequencies: E(A) = 90, E(B) = 30, E(C) = 30, E(D) = 10
Calculating the chi-squared statistic:
χ² = ((82-90)² / 90) + ((35-30)² / 30) + ((29-30)² / 30) + ((14-10)² / 10)
Step 5: Determine the critical value:
The critical value is obtained from the chi-squared distribution table or using statistical software. The degrees of freedom for this test are equal to the number of categories minus 1. In our case, there are 4 categories, so the degrees of freedom (df) = 4 - 1 = 3.
With α = 0.05 and df = 3, the critical value is approximately 7.815.
Step 6: Make a decision:
Compare the calculated chi-squared statistic to the critical value. If the calculated value is greater than the critical value, we reject the null hypothesis (H0). Otherwise, we fail to reject H0.
If the calculated chi-squared statistic is less than or equal to the critical value, we fail to reject the null hypothesis (H0), which means the observed frequencies do not significantly deviate from the expected frequencies based on the hypothesized ratios.
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Evaluate the advantages of the current naming system compared to the earlier system
Answer:
This naming is essential for the classification and organization of organisms which makes the study of an organism easier and understandable. It gives the precision and clarity for the naming of an organism which prevents confusion. Scientific names help the reader to learn something about the organism.
Which statement describes an element? Check all that apply.Which statement describes an element? Check all that apply.
An element is a pure substance that cannot be broken down into a simpler form.
An element is made of two or more atoms that are chemically combined.
All elements are listed on the periodic table of elements.
An element symbol begins with a capital letter; if there is a second or even third letter, it is a lowercase letter.
Answer:
- An element is a pure substance that cannot be broken down into a simpler form.
- All elements are listed on the periodic table of elements.
- An element symbol begins with a capital letter; if there is a second or even third letter, it is a lowercase letter
Explanation:
An element is one of the two types of pure substances i.e. substances that cannot be broken down into simpler forms. Elements are made up of only one type of atom e.g. Fe, Cl2 (two chlorine atoms).
All known or discovered chemical elements are represented on the periodic table. In an order of increasing atomic number, elements are arranged from left to right on the periodic table.
The symbol of an element begins with a first letter written in capital letters while the subsequent letters can be written in lower cases. For example, Fe, Cu, Hg, Zn etc.
the thermal death time is the group of answer choices d) time it takes to kill all cells at a given temperature. c) measure of the radiation energy output from a source. a) dose of radiation necessary for a tenfold reduction in the numbers of selected microorganisms or biological functions. b) time required for a tenfold reduction in the population density at a given temperature
The thermal death time refers to the time it takes to kill all cells at a given temperature. It's essential to carefully consider the conditions when determining the thermal death time.
This is an important concept in microbiology because it helps determine how long microorganisms need to be exposed to heat in order to be effectively sterilized. When exposed to heat, microorganisms are killed off due to the denaturation of their proteins, which causes irreparable damage to the cell. Understanding the thermal death time is essential for industries that rely on sterilization processes, such as the food and medical industries. By knowing the thermal death time for specific microorganisms, these industries can ensure that their products are free from harmful pathogens. It's important to note that the thermal death time is specific to the type of microorganism and the temperature being used. Therefore, it's essential to carefully consider the conditions when determining the thermal death time.
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An organelle that releases energy for metabolic activity in a nerve cell is the...?
Answer:
Mitochondria
Explanation:
Mitochondria is an organelle that creates energy in the form of ATP in all living cells.
How many copies of a recessive allele are needed for that trait to show up?
For a recessive allele to manifest, two copies of it must exist.
A recessive phenotype can only be caused by two copies of a recessive allele, one from each parent. An individual with the dominant phenotype will have one dominant allele and one recessive allele for a given gene. A particular gene will only be expressed in an organism if it has two recessive alleles.
One copy of the dominant allele is all that is required for the manifestation of a dominant trait. The effects of the other allele are hidden by the dominant allele. An individual with two copies of a dominant allele often exhibits the same phenotype as an individual with only one copy.
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WAD: Animal Studies- these studies found that (flexion/extension/rotation) caused the largest injuries
It is false that animal Studies- these studies found that (flexion/extension/rotation) caused the largest damages.
According to animal studies, the most severe injuries in whiplash-type injuries are caused by neck extension (backward movement).
This is because the lower cervical spine (neck) is at its most vulnerable to damage during extension, and the ligaments and other soft tissue structures are at risk of being overstretched or torn.
Furthermore, during extension, the spinal cord is more vulnerable to compression or stretching, which can cause further damage.
Thus, it's worth noting that the exact mechanism and factors that contribute to whiplash injury in humans are still unknown, and animal studies aren't always directly applicable to human injuries.
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butterflies,bats, and birds all have wings that allow them to fly. Butterfly wings, however, do not have bones like bat and bird wings do
An example of convergent evolution is seen in butterflies, bats, and birds all have wings that allow them to fly, however, butterfly wings do not have bones like bat and bird wings do.
What is convergent evolution?Convergent evolution is the independently occurring evolution of comparable traits in animals from several periods of time.
Analogous structures that have a similar form or function but were absent from that group's most recent common ancestor are created via convergent evolution.
For example, butterflies, bats, and birds all have wings that allow them to fly but butterfly wings do not have bones like bats and bird wings.
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