Final answer:
Disturbed rock layers can be caused by decreased water content, freezing and thawing, plant growth, animal activity, removal of overlying pressure, and seismic activity. These factors can weaken the rock structure and lead to geological events such as landslides.
Explanation:
Several factors can lead to a disturbed rock layer, affecting its structure and stability.
A decrease in water content, particularly in clean sand deposits, reduces the strength of the grains, making them susceptible to failure. This can be caused by a general drying out of the area or by human activities that lower the water table.
Freezing and thawing cycles resulting in physical weathering are common in cold climates. This process can expand and contract rocks, eventually leading to rockfalls and other forms of mass wasting.
Vegetation growth and animal activity, such as the expansion of plant roots and burrowing, can physically disrupt rock formations.
The removal of overlying pressure, either by natural erosion or human activities like mining, can cause underlying rock to expand and fracture.
Chemical weathering from the formation of salt crystals and other processes can break down the integrity of rock layers.
Seismic activity, like earthquakes, or even vibrations from traffic and construction, can significantly disturb and weaken rock layers.
Collectively, these factors contribute to shaping the earth's surface, influencing geological events like landslides, and causing the formation of features such as fractured rock layers, tilted or folded beds, and even faults in the earth's crust.
Which amino acid would be encoded by the mRNA codon CGA?
The mRNA codon CGA encodes the amino acid arginine. To decode an mRNA sequence, we read the codons from the 5' end, and translate each codon into its corresponding amino acid until a stop codon is encountered.
Explanation:The mRNA codon CGA would encode the amino acid arginine. To determine the amino acid sequence that the mRNA sequence 5'-AUGCUGAAUUGCGUAGGA-3' codes for, we utilize the genetic code to match each triplet codon to its corresponding amino acid. The sequence is read from the 5' end, and each triplet of nucleotides (codon) is translated into an amino acid following the genetic code. The provided mRNA sequence translates to the amino acids met, leu, asn, ala, stop, where the sequence starts at the initial AUG codon, which codes for methionine (met), and continues translation until a stop codon is reached. In this sequence, the stop codon is UAG.
Suppose the moon rotated on its axis just as quickly as Earth. Would you still always see the same side of the moon from Earth?
PLEASE HELP ME!
We will not see the same side of moon on increasing rotation speed of moon, due to the reduced orbital period of moon.
No, we will not see the same side of moon. The given problem is based on the time period of revolution or orbital period of moon. The orbital period of moon is defined as the time taken by the moon to complete one revolution around the Earth.
The standard value of orbital period of moon with respect to Earth is 28 days.
And the orbital period of Earth with respect to Sun is 365 days.
And the mathematical expression for the orbital period (T) is given as,
[tex]T=\dfrac{2 \pi R}{v}[/tex]
Here, R is the radius of moon and v is the velocity with which the moon is orbiting the Earth.
Clearly, increasing the orbital velocity (v) of the moon, the orbital period decreases and now with reduced orbital period, the new phases of moon can be visible from the Earth.
Thus, we can conclude that on increasing the speed of rotation of moon, the orbital period reduces and one can now observe different phases of moon from the Earth.
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How does the rock cycle transform rocks from one type to another?
Answer:
Explanation:
The three processes that change one rock to another are crystallization, metamorphism, and erosion and sedimentation. Any rock can transform into any other rock by passing through one or more of these processes. This creates the rock cycle.
Carbon is taken from the atmosphere through _______. A. combustion of organic material B. photosynthesis C. volcanic activity D. respiration of plants and animals
Answer: Option B; photosynthesis
Explanation: Carbon is present in the atmosphere in gaseous form as carbon dioxide majorly. And, only plants can take up CO2 and use it to make glucose. This reaction takes place through photosynthesis, taking place in the leaves of the plants. Rest activities mentioned in option A, C and D, these all release CO2 into the atmosphere.
A person who is interested in curing diseases of the brain might pursue a career in
A. endocrinology
B. gene therapy
C. neuroscience
D. sports medicine
A person who is interested in curing diseases of the brain might pursue a career in neuroscience. That is option C.
The study of brain diseasesBrain is part of the central nervous system of the mammalian and plays a vital role in the coordination of the various part of the body.
The Medical personnel that specialises in the diseases that affects the brain cells are called neurologist who specialise in neuroscience career.
Examples of brain diseases studied by these individuals are:
Alzheimer's Disease.Dementias.Brain Cancer.Epilepsy and Other Seizure Disorders.Mental Disorders.Therefore, the person who is interested in curing diseases of the brain might pursue a career in neuroscience.
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What do viruses depend on for their reproduction?
Viruses cannot reproduce by themselves. They rely on host cells to replicate their genes and proteins, essentially taking over the host cell's reproductive mechanisms.
Explanation:Viruses are unique in that they cannot reproduce on their own. They depend on the cells of a 'host' organism for their reproduction. The process typically begins when a virus attaches to a host cell and injects its genetic material (either DNA or RNA) into the cell. This viral genetic material then uses the host cell's machinery to replicate its own genes and proteins. These new viral components are then assembled into new viruses, which are released from the host cell to infect other cells. This process effectively takes control of the host cell's reproductive mechanisms for the benefit of the virus, often to the detriment of the host.
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What is the energy source that feeds a thunderstorm?
The sun is the primary energy source for a thunderstorm. It heats the Earth's surface, resulting in air convection. The additional energy from water vapor condensation also furthers the storm.
Explanation:The primary energy source that feeds a thunderstorm is the sun. Sunlight warms the surface of the Earth, which in turn heats the air above it. This heated air begins to rise, a process known as convection. As this moist, warm air rises and cools in the atmosphere, it forms clouds and potentially storms. The process by which the water vapor in these clouds condenses and falls back to the Earth releases additional energy, fueling the storm further.
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What happens in the G2 phase of the cell cycle?
The cell prepares for cell division.
The replicated chromosomes divide.
The cell enters the post mitotic phase.
What is the largest level of organization for the environment?
population
biosphere
community
ecosystem
Answer:
The answer is Biosphere
Explanation:
Need help? Some one plis
A viral infection of the liver is called _____.
dysentery
polio
mumps
hepatitis
What is a Winter storm Watch?
What are two ways the size of a population can increase in decrease
Answer:
The size of a population increases when the number of births is greater than the number of deaths. The size of the population decreases when the number of births is less than the number of deaths.
Explanation:
The size of a population can increase or decrease due to the influence of several factors. However, in summary, we can say that the size of a population increases when the number of births is greater than the number of deaths. This can be influenced by the quality habitat, excess natural resources such as food and water, reduced number of predators, among others.
On the other hand, the size of the population decreases when the number of births is less than the number of deaths, this can occur through the unavailability of safety habitat, lack of natural resources, existence of a disease or pest, excess of predators, among others .
The size of a population can increase through birth rates and immigration, representing the addition of individuals. It can decrease through death rates and emigration, which represent the removal or departure of individuals.
Explanation:The size of a population can increase and decrease through various mechanisms. An increase can typically occur through birth rates and immigration. Birth rates refer to the number of new individuals born into the population, and immigration refers to the arrival of individuals from other populations. Conversely, a decrease in population size can be brought about by death rates and emigration. Death rates relate to the number of individuals dying in the population, while emigration means the departures of individuals to other populations.
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Mahmood has a fever and a red, itchy rash all over his body. Mahmood most likely has _____. influenza malaria a common cold chicken pox
Answer:
Chicken pox
Explanation:
A rash all over the body caused by the chickenpox virus.
The chickenpox rash starts as small red bumps. The bumps change to blisters or pimples. The bumps change to open sores, and finally they scab over.
A doctor has told you that your child has chickenpox.
Or your child had close contact with another person who has it (or shingles). The contact should be 10-21 days earlier
Answer:
Chicken Pox
Explanation:
Common cold, Maralia, Influenza are all internal illnesses. Chicken Pox is an external illness.
which fossil fuel is the most widely used in the United States
What would happen to your food web if the phytoplankton died out because of water pollution?
The white-tailed deer, Odocoileus virginianus, is common in the Eastern United States. Most deer have reddish brown fur, but occasionally a deer may be born with a genetic condition known as albinism which results in white fur. Albinism is caused by the inheritance of two recessive alleles for the production of coloration pigments. If an albino deer is born to two parents who each have normal fur coloration, what conclusion may be drawn about the genotypes of the parent deer? A) Both parents must be homozygous for the coloration gene. B) Both parents must be heterozygous for the coloration gene. C) The female parent must have two recessive alleles for the coloration gene. D) No conclusion may be drawn about the parental genotypes based on the information given.
Answer:the right answer is b
Explanation:
Sonar stands for “sound navigation and ranging.” What assumption was proved wrong after the invention of sonar? The age of the ocean floor is variable. The ocean floor is featureless. The ocean floor is changing. The ocean floor is denser than continental crust.
The ocean floor is featureless was proved wrong after the invention of sonar.
A Sound Navigation and Ranging (sonar) is a device used for navigation in the oceans.The sonar enables us to explore and map the ocean by using acoustical waves.These sound (acoustical) waves can travel more than radar waves and light waves.In conclusion, the ocean floor is featureless was proved wrong after the invention of sonar.
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Voluntary muscles can be controlled, while involuntary muscles cannot. Do you think stomach muscle is voluntary or involuntary?
Scalp ringworm is very contagious.
True
False
What are the strengths and limitations of this model ?
Answer:
i dont think there is any
Explanation:
the only might be that it not physical model
Scientists believe green algae to be the ancestors of land plants. The classification division separating algae from the kingdom Plantae began with fossil evidence. To be successful land plants require certain modifications. This early Devonian land plant had both vasular tissue and, as seen here, A) roots. B) spores. C) seed pods. D) chlorophyll.
Answer:
roots
Explanation:
Explain how Chargaff's rule helped Watson and Crick model DNA
In the illustration, choose the letter of the diagram that best represents anaphase.
A)
B)
C)
D)
Answer:
The correct answer will be option-D
Explanation:
A cell divides into many phases which takes place in a cyclic manner. This cyclic division is known as the cell cycle and the phases are known as the cell division. The cell cycle involves interphase in which the cell prepares itself for division and the M phase in which the cell division takes place.
The M phase proceeds in four phases: prophase, metaphase, anaphase and telophase.
In the given question, Illustration D represents the anaphase stage of the M phase as it is marked by the movement of the sister chromatids of the chromosomes to opposite poles by the mitotic spindle which is followed by the telophase observed in illustration E.
Thus, option-D is the correct answer.
The appropriate diagram representing Anaphase, within the context of mitosis, is D) Prophase - Metaphase - Anaphase - Cytokinesis. This sequence of stages reasonably depicts the process of mitosis.
The correct answer to the given question is option D).
The student's question requires selecting the illustration (A, B, C, or D) that correctly shows the sequence of stages in mitosis, specifically, locating anaphase.
Anaphase is the third stage of mitosis, characterized by the separation of sister chromatids that form individual chromosomes. These chromosomes are drawn to opposite poles of the cell, ensuring that each new daughter cell will have an identical set of genetic information.
Based on the provided sequences for each lettered diagram, the correct choice would be D) Prophase - Metaphase - Anaphase - Cytokinesis. This sequence correctly represents the stages in the progression of mitosis.
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How do social, economic, and political issues affect science?
The social, political, and economic issues that affect science are:
1. Social issues in science are concerned with the controversies involving the impact of science and technology on human life. For example, the use of stem cells and the cloning of some genes are the primary issues of social concerns.
2. The scientific processes or research involves the different types of investment, rates of exchange, and efficiency of factories, labs, and industries that impacts the economy of a country.
3. The use of political powers such using corruption, human rights, powerful people controlling the society can alter the research and scientific processes.
Thus, the social, political, and economic issues affect the science and research processes.
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What evidence supports geological processes changing the surface of the Earth? Cutting down forests creates a decrease of habitats. Tectonic plates uplift the rocky crust of Earth to form mountains. Competition in ecosystems creates a decrease in diversity. Pollution runoff contaminates a lake.
answer:
Tectonic plates uplift the rocky crust of Earth to form mountains.
Answer: Tectonic plates uplift the rocky crust of Earth to form mountains.
Topsoil that washes onto a coral reef _____.
Gradpoint!
Makes the water cloudier.
Which of these is an ABIOTIC change to an environment?
A. A species goes extinct
B. A fire destroys the topsoil in a forest
C. A tree falls down
D. A new species is introduced
During cell division, or mitosis, an exact duplicate of the original cell is produced. The instructions for cell division are found in the __________ in the __________. A) nucleus:RNA B) chromosomes:nucleus C) nucleus:nucleolus D) ribosomes:RNA Submit Hint Calc From Molecules to Organisms: Structures and Processes (HS-LS1-4) Mitosis ID: 27320
Answer:
It is B) chromosomes: nucleus
Explanation:
The instructions for cell division are found in the chromosomes in the nucleus. Before a new cell is formed, the DNA in the chromosomes replicates, or makes a new copy. Then each new cell gets a copy.
Which contributes to the polarity of a water molecule?