How did scientist explain the formation of rocky mountains?
what were the stages in rockies evolution?
what are the evidences collected by scientist to explain each stage? and how did scientist used those evidences to support their explanation for its evolution?
how does the weathering and erosion involved in its evolution?
Answers
The formation of the Rocky Mountains is a complex process that involves many stages and several different theories. Scientists believe that the formation of the Rocky Mountains began with a continental collision between the North American and Farallon plates about 170 million years ago.
This collision caused the two plates to buckle and form a mountain range. Over time, the mountain range was gradually uplifted and formed the present-day Rocky Mountains. Evidence of this process includes the presence of metamorphic rock in the region, which indicates the high levels of pressure that were exerted during the collision.
Other evidence includes the location of the Rockies in the middle of the North American continent, which suggests that the collision occurred at the center of the continent. Weathering and erosion have also played a role in the formation of the Rocky Mountains, as they have caused the mountains to become more jagged and mountainous in appearance.
These processes have also contributed to the formation of the many valleys, canyons, and rivers in the region.
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Related Questions
Which change to the model would improve its accuracy? A. Move each neutron so it is next to a proton. B. Move the protons and neutrons to a small space in the center. C. Move the protons and electrons to a small space in the center. D. Move all of the particles so that they are evenly spaced.
Answers
Answer:
B
Explanation:
B. Move the protons and neutrons to a small space in the center.
Answer:
B. Move the protons and neutrons to a small space in the center.
Explanation:
In order for DNA to replicate, the strand must separate at which of the following locations?
a.Between every phosphate sugar pair
b.Between every nitrogenous base pair
c.Between the eight sugarbase pairs
d.Between any two chemical bonds
Answers
Answer:
i think its D because the plant cell runs off the sugar cells
Explanation:
In order for DNA to replicate, the strand must separate between every nitrogenous base pair (Option B).
Deoxyribonucleic acid (DNA) is a double helix composed of two long chains of nucleotides.In DNA, there are four different types of nucleotides, each one containing a different nitrogenous base.These nitrogenous bases are Adenine, Guanine, Cytosine and Thymine.In conclusion, in order for DNA to replicate, the strand must separate between every nitrogenous base pair (Option B).
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The peristaltic movement of colonic contents triggered by the gastrocolic reflex approximately 1-3 times per day is called
Answers
Definition: bulk movements of soil and rock debris down slopes in response to the pull of gravity, or the rapid or gradual sinking of the Earth's ground surface in a predominantly vertical direction.
Describe what has happened to the effectiveness of the insecticide by the end of the spray program, not the population of mosquitoes.
Answers
The effectiveness of insecticide by the end of the spray program would have decreased.
What is an Insecticide?This is a chemical substance specially prepared to kill insects such as mosquito, fly etc.
These insects develop resistance to this chemical with time which thereby leads to a decrease in its effectiveness.
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Please help me with science!
Answers
One possible result of chromosomal breakage can be that a fragment reattaches to the original chromosome in a reverse orientation. This is called___.
Answers
One possible result of chromosomal breakage can be that a fragment reattaches to the original chromosome in a reverse orientation. This is called an inversion. Chromosomal breakage refers to the breaking of a chromosome that can happen due to environmental factors, genetic mutations, or errors during cell division. When a fragment breaks off from a chromosome, it may reattach to the same chromosome or a different one, which can lead to various genetic abnormalities.
Inversion occurs when a fragment of a chromosome breaks off and reattaches in a reversed orientation, meaning that the order of genes within the fragment is reversed. This inversion can be either paracentric, where the break occurs within one arm of the chromosome, or pericentric, where the break occurs in both arms of the chromosome. Inversions can cause genetic disorders if they disrupt the functioning of important genes or interfere with the normal pairing of chromosomes during meiosis, resulting in infertility or birth defects.
In conclusion, chromosomal breakage can result in the reattachment of a fragment in a reverse orientation, known as an inversion. This can have significant implications for genetic disorders and the inheritance of traits. Understanding the mechanisms behind chromosomal breakage and the resulting genetic abnormalities can aid in the diagnosis and treatment of various genetic diseases.
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At continental collision zones, rocks may undergo metamorphism under conditions that are high pressure, high temperature. true or false?
Answers
The statement is true. Rocks in continental collision zones can undergo metamorphism under high-pressure and high-temperature conditions, resulting in the formation of distinct metamorphic rocks.
At continental collision zones, rocks may undergo metamorphism under high-pressure and high-temperature conditions. Continental collision zones occur when two tectonic plates with continental crust move toward each other and collide. As the plates collide, immense pressure and heat build up due to the friction and compression of the rocks. This creates a suitable environment for metamorphism to occur.
Metamorphism is the process where rocks change their mineral composition, texture, and sometimes their chemical makeup due to exposure to high pressure and temperature, without actually melting. The rocks undergo structural changes, transforming into new metamorphic rocks. Common types of metamorphic rocks formed in these conditions include gneiss, schist, and marble. In continental collision zones, the high-pressure and high-temperature conditions promote the formation of distinct metamorphic rocks, such as eclogite and blueschist, which are characteristic of these high-pressure environments.
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how might a country run out of water
Answers
Answer
Along with decreasing rainfall comes rising temperatures. By 2050 the U.S. could be as much as 5.7°F warmer, and extreme weather events, such as heatwaves and drought, could be more intense and occur more frequently. As temperatures warm, evaporation increases, further decreasing water in lakes, reservoirs, and rivers.
What is the probability of getting the same numbers on 3 dice when they are thrown simultaneously?
Answers
Answer:
So, assuming the dice are 'fair' (that each of the six numbers has a probability of 1/6 of showing up on each of the dice), there is a probability of 1/36 that all three dice will show the same number.
Explanation:
The act of avoiding an immediately enjoyable behavior in the hopes of getting an even better reward at a later time.
Answers
The act of avoiding an immediately enjoyable behavior in the hopes of getting an even better reward at a later time is delayed gratification.
What is delayed gratification?
Delayed gratification is the act of resisting an impulse in order to take an immediately available reward in the hope of getting a more-valued reward in the future.
An example of delayed gratification is saving money for retirement instead of spending it now.
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After the K-Pg mass extinction event, mammals were able to survive and proliferate. Which of the following factors contributed to this success the least?
fewer predators in the absence of dinosaurs.
more oceanic and lake habitat, leading to marine mammal evolution.
ability to regulate their body temperature in the face of reduced sunlight and colder temperatures.
most mammals being nocturnal, allowing them to see better in the darkened conditions
Answers
The success of mammals after the K-Pg mass extinction event can be attributed to a variety of factors. Of these, the least significant was the fewer predators in the absence of dinosaurs.
Here, correct option is A.
Despite the lack of dinosaurs, other predators, such as crocodiles and birds, were still present and posed a threat to mammals. Additionally, the ability of mammals to regulate their body temperature in the face of reduced sunlight and colder temperatures likely had a larger role in their survival.
Similarly, the fact that most mammals are nocturnal and were able to see better in the darkened conditions likely played a greater role in their success. Lastly, the availability of more oceanic and lake habitat, leading to the evolution of marine mammals, was likely an important factor in their survival and proliferation.
Therefore, correct option is A.
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if you see a steep cliff with piles of rocks at the bottom, what kind of mass wasting has occurred?
Answers
The kind of mass wasting that has occurred at a steep cliff with piles of rocks at the bottom is rockfall.
Rockfall occurs when rocks or fragments break away from the steep cliff due to various factors such as weathering, erosion, or human activity. Once detached, these rock fragments fall or roll down the slope, eventually accumulating at the base of the cliff, forming piles of rocks.
This type of mass wasting is rapid and can be dangerous, especially in areas with significant human activity. Other types of mass wasting include landslides, debris flows, and soil creep. Monitoring and maintaining the stability of slopes and cliffs can help prevent or mitigate the risks associated with rockfalls and other types of mass wasting.
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Land-Grant College Act of 1862, or Morrill Act, Act of the U.S. Congress (1862) that provided grants of land to states to finance the establishment of colleges specializing in “agriculture and the mechanic arts.” What two Universities in Kentucky were established with the Land-Grant College Act? Pick TWO. *
O Berea College
O Campbellsville University
O Eastern Kentucky University
O Kentucky State University
O Morehead State University
O Murray State University
O University of the Cumberlands
O University of Kentucky
O University of Louisville
O Western Kentucky University
Answers
Answer:
1.Kentucky State University
2.University of Kentucky
The two Universities in Kentucky were established with the Land-Grant College Act are 1.Kentucky State University, 2.University of Kentucky.
What is Morrill Land-Grant Acts?The Morrill Land-Grant Acts are United States statutes that allowed for the creation of land-grant colleges in U.S. states. The Morrill Act of 1862 was enacted during the American Civil War and the Morrill Act of 1890 expanded 1862 Act.
By this act, each eligible state received 30,000 acres for establishing and funding educational institutes. The eligibility criteria for states to qualify for this land grant was that there should be no rebellion or insurrection in the state against the government of the United States.
Land-Grant College Act of 1862, or Morrill Act, Act of the U.S. Congress (1862) that provided grants of land to states to finance the establishment of colleges specializing in “agriculture and the mechanic arts.”
Therefore, The two Universities in Kentucky were established with the Land-Grant College Act are 1.Kentucky State University, 2.University of Kentucky.
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Carson divided 40 unripe bananas evenly among eight paper bags and sealed the bags. He poked 20 small holes in four of the bags and left the other four without holes. He kept the bags at room temperature for three days. Then, Carson opened the bags and counted the number of brown spots on each banana. He compared the average number of brown spots on bananas from bags with holes to the average number of brown spots on bananas from bags without holes.Identify the question that Carson's experiment can best answer.
Answers
Answer:
See the answer below
Explanation:
From the illustration of the experiment, the question that Carson can best answer is that "Do bananas develop more brown spots if they are kept in bags with holes compared to bags without holes?"
The independent variable in the experiment is the hole poked in the bags while the dependent variable is the number of brown spots on each banana. The difference between the subjects is the hole poked in the bags, hence, any difference in the number of brown spots between bananas in the bags with holes and those in the bags without holes can be attributed to the hole poked in the bags.
Therefore, the question that can be answered from the experiment is to see if poking holes in bags make bananas to develop more brown spots compared to bags without holes.
PLEASE HELP ME I CANT FAIL FINALS THIS YEAR
- state if true or false
Answers
Answer:
1) True
2 true
3 false
4 false
5 true
6
7 algae
8 energy
9 bottom
10 less
Explanation:
I'm not sure FROM number 6 to 10
In the snapdragon example, what third phenotype is expressed from the heterozygous genotype?
Red flowers
pink flowers
white flowers
Answers
Answer:
Pink flowers, a blending of red and white
The correct option (B) pink flowers.
How is the color of flower controlled?
In snapdragon the color of flower is controlled by incomplete dominance. The two alleles are red(R) and white(R'). The heterozygous genotype is expressed as pink.
What is phenotype?
Phenotype is the observable physical properties of an organisms.It includes the organisms appearance, development, and behavior.For example color of a flower, height of plant etc.What is genotype?
A gene or a set of gene responsible for a particular characteristics is called genotype.In detail it can used to refer to the alleles, or variant forms of a gene, that are carried by an organisms.Example of genotype is AA is a gene that is responsible for black color of hair.Why other options are incorrect?
Option (A) is incorrect because the RR genotype shows the red flowers.Option (C) is incorrect because the rr genotype shows the white flower.Learn more about incomplete dominance below,
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How does Stem cell therapy work?
Please in detail
Answers
the concentration of ADP within the mitochondrial matrix would increaseSeveral genetic disorders of mitochondria have now been identified. If such a defect resulted in a less active electron transport chain, what would you predict might occur? (Note: think of this in terms of basic mechanisms: genetic disorders rarely affect just one process.)
Answers
If the electron transport chain was less active due to a genetic disorder, it would likely result in a decreased production of ATP and an increased concentration of ADP within the mitochondrial matrix.
The concentration of ADP would increase because the electron transport chain is involved in generating a proton gradient, and this proton gradient drives the synthesis of ATP by ATP synthase. When the electron transport chain is less active, less ATP is synthesized, and the concentration of ADP increases.
The electron transport chain is a sequence of proteins located on the inner mitochondrial membrane. These proteins are involved in electron transfer and ultimately in the generation of ATP, which provides energy to cells.
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Freshwater environments generally have a. A lower variety of species and more fossil preservation than marine environments b. A lower variety of species and less fossil preservation than marine environments c. A greater variety of species and more fossil preservation than marine environments d. A greater variety of species and less fossil preservation than marine environments
Answers
Freshwater environments generally have a Lower variety of species and less fossil preservation than marine environments. The correct option is B
What is Freshwater environments ?In comparison to marine habitats, freshwater areas often contain a smaller variety of species. This is due to the fact that freshwater settings are more remote and have less resources accessible.
Freshwater ecosystems are less likely than marine environments to preserve fossils. This is so because sedimentation and erosion are more likely to occur in freshwater environments. Fossils can become buried by sediment, making them difficult to locate.
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3. In your experiment, you created two separate systems: cellular respiration in part 1,
and photosynthesis in part 2. Explain whether these two separate systems are a good
representation of the way cellular respiration and photosynthesis work in the natural
world. Can living things survive in a system involving only cellular respiration or only
photosynthesis? If not, how could you use similar materials to set up a new
experiment that would better model the real world? (3 points)
Answers
The two separate systems of cellular respiration and photosynthesis in an experiment are not a perfect representation of how these processes work in the natural world.
Living things cannot survive solely on either photosynthesis or cellular respiration. They require both processes to occur in order to produce the energy needed for life. In a more realistic experiment, both processes could be combined to create a closed system that would better model the real world.
This would involve using a photosynthetic organism, such as a plant, in combination with an organism that undergoes cellular respiration, such as a microbe. By combining these two processes, a closed ecosystem could be created that would more accurately mimic the natural world.
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Meiosis requires
divisions of the cell and makes
daughter cells.
O 1:2
0 2:4
2;2.
o
1:4
Answers
Answer:
1;2
Explanation:
An immunologist, osteoimmunology, or allergist who has completed medical school cannot practice medicine until he or she passes the USMLE. MCAT. PCAT. SAT.
Answers
Answer:USMLE
Explanation:
The USMLE is the United States Medical Licensure Exam. A doctor cannot practice without a license.
Answer:
A. USMLE
Explanation:
edge unit test review 2021
proper erectile functioning requires: group of answer choices parasympathetic stimulation with release of nitric oxide. dilation of the veins so that blood can flow outward. sympathetic stimulation with release of prostaglandins. full expansion of the corpus spongiosum.
Answers
The proper erectile function requires parasympathetic stimulation with the release of nitric oxide.
The correct answer is B.
How do erections occur?Erection is usually preceded by sexual stimulation or stimulation. This stimulation causes nerve initiation or signaling to sex organs. Signals from the brain cause the release of a chemical called nitrogen oxide in the area of the blood vessel walls of sex organs. This substance will activate the enzyme guanylate cyclase which will then hydrolyze guanosine triphosphate (GTP) into cyclic guanosine monophosphate (cGMP).
Nitrogen oxide compounds cause the smooth muscles in the blood vessels of the sex organs to relax, causing an erection. So, during the erection process, blood flow begins to fill the cavities of sex organs called the corpora cavernosa. Peak erections occur when these cavities are filled with blood
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natural family planning, or fertility awareness, is a method that can be used to achieve or prevent pregnancy. it is based on the ability to predict ovulation. measuring which hormone would be the best predictor for ovulation and why?
Answers
The hormone that is commonly used as a predictor for ovulation in natural family planning or fertility awareness is luteinizing hormone (LH). LH is produced by the pituitary gland and its levels rise rapidly just before ovulation. By tracking LH levels through urine or blood tests, women can predict when ovulation is likely to occur and plan intercourse accordingly to achieve or avoid pregnancy.
LH is a reliable predictor for ovulation because it is only produced for a short period of time, typically 24-48 hours, which indicates the window of fertility. However, it is important to note that other factors such as stress, illness, and certain medications can affect LH levels and therefore impact the accuracy of predicting ovulation using this method.
Natural family planning, or fertility awareness, involves predicting ovulation to achieve or prevent pregnancy. Measuring the luteinizing hormone (LH) is the best predictor for ovulation because it surges 24-48 hours before ovulation, triggering the release of a mature egg from the ovary. This information helps individuals to determine their fertile window and plan accordingly.
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Which of the following situation demonstrates a physical change
Answers
Answer: c melting ice
Explanation:
If a person has type B blood, which statement describes the antibodies present in his or her blood?
Answers
Only anti-A antibodies are present.
the animal welfare regulations (awr) do not currently apply to which of the following animals? non-vertebrates, laboratory mice, and laboratory rats. pigs and sheep. hamsters and gerbils. dogs.
Answers
The Animal Welfare Regulations do not apply to non-vertebrates, laboratory mice, and laboratory rats due to their biological differences or specific use in scientific research.
The Animal Welfare Regulations (AWR) are designed to protect the well-being of animals by establishing guidelines for their care and treatment. However, these regulations do not currently apply to all types of animals. Among the mentioned options, non-vertebrates, laboratory mice, and laboratory rats are the ones not covered by the AWR.
Non-vertebrates, such as insects, do not fall under the scope of these regulations because they lack a backbone and are considered less capable of experiencing pain or suffering. Laboratory mice and rats, on the other hand, are specifically exempt from AWR due to their widespread use in scientific research.
Although these animals do experience pain and stress, the need for controlled experiments to advance scientific understanding and develop new medical treatments has led to their exclusion from the regulations.
In contrast, pigs, sheep, hamsters, gerbils, and dogs are all covered under AWR. These animals are considered sentient beings, capable of feeling pain, suffering, and distress, and thus warrant protection under the law. Regulations ensure proper housing, nutrition, and humane treatment of these animals in various settings, including agriculture, research, and domestic environments.
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In which hearing test does the practitioner strike a tuning fork on a hard surface to produce a sound and places the tuning fork in the middle of the patient's head to determine if the patient has conductive or sensorineural hearing loss?A. Uveitis
B. Conjunctivitis
C. Presbycusis
D. Weber
Answers
In Weber test the practitioner strike a tuning fork on a hard surface to produce a sound and places the tuning fork in the middle of the patient's head to determine if the patient has conductive or sensorineural hearing loss.
A tuning fork is used to conduct the Weber test, which is a hearing screening exam. Both unilateral sensorineural hearing loss and unilateral conductive hearing loss (both of which affect the middle ear) can be detected using it (inner ear hearing loss). In honor of Ernst Heinrich Weber, a test was created (1795–1878). The middle ear, which consists of the ossicles malleus, incus, and stapes, mediates the capacity to hear conductively. The inner ear, which consists of the cochlea and its connected cochlear nerve as well as internal basilar membrane, mediates sensorineural hearing (cranial nerve VIII). The middle ear receives sound waves from the outer ear, which is made up of the pinna, ear canal, and tympanic membrane. Apart from hearing transmissions that are imperceptible due to cerumen impaction, the outer ear has no effect on conduction or sensorineural hearing (wax collection in the ear canal).
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The combination of letters is used to express a trait of an organism,
A Recessive
B. Phenotype
C. Genotype
D. Trait
Answers
C. Genotype
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How does a survivorship curve help to explain the reproductive strategy of a species m? Define two of the three types of survivorship curves and explain the influence of the reproductive strategy on that curve. Give an example of an animal that would have the type of curve you are describing.