Select the correct answer.
Susan wants to bring out as much tone and shading in her prints as possible. Which type of paper should she use?
OA. high contrast
OB. low contrast
OC. fixed contrast
O D. variable contrast
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Next
Susan should use option B: low contrast papers if she wants to bring out as much tone and shading in her prints as possible.
Use a low contrast paper if Susan wants to highlight as much tone and shading in her prints as possible. A low contrast paper will have a greater tonal range, allowing it to display more subtle color and shade variations. This is perfect for printing pictures with a lot of subtlety and detail, such grayscale or black and white photos.
Images with strong, stark contrasts between light and dark areas work best on high contrast paper. Variable contrast paper enables the photographer to alter the contrast of the paper using filters or other techniques, as opposed to fixed contrast paper, which is intended to provide a consistent amount of contrast.
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Correct question:
Select the correct answer.
Susan wants to bring out as much tone and shading in her prints as possible. Which type of paper should she use?
A. high contrast
B. low contrast
C. fixed contrast
D. variable contrast
Hemoglobin is a protein involved in oxygen transport. Myosin is a protein found in muscles. Which sentence describes these proteins?
O A. They can swap their functions when the body requires it.
OB. They can change their structures when the body needs more of a different type of protein.
O C. They have the same amino acid sequence and are just folded differently.
O D. Their structures are based on the amino acid sequences in their polypeptides.
The similarities between hemoglobin and myoglobin are They have the same amino acid sequence and are just folded differently. The protein in red blood cells is called hemoglobin which transports oxygen to the tissues. Tissue oxygenation and an adequate hemoglobin level should be an adequate level for survival.
Myoglobin is a monomeric protein that is mostly found in muscle tissue and serves as an intracellular oxygen storage site, whereas hemoglobin is a heterotetrameric oxygen transport protein that is found in red blood cells (erythrocytes).
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How did the development of a vascular system contribute to the increase in size of plants?
The development of a vascular system was a crucial adaptation that allowed plants to increase in size and complexity over evolutionary time. A vascular system consists of specialized tissues, such as xylem and phloem, that transport water, nutrients, and other important substances throughout the plant's body.
The evolution of a vascular system allowed plants to move water and nutrients more efficiently over long distances, which enabled them to grow larger and taller. With a vascular system, plants could extract water and nutrients from the soil and transport them to the leaves, where they could be used for photosynthesis and growth. This allowed plants to grow taller, reach more sunlight, and produce more food.
Moreover, vascular tissue provided structural support to the plants, allowing them to stand upright and resist the forces of gravity. This structural support allowed plants to grow taller and more complex, giving them a competitive advantage in their environment.
Overall, the development of a vascular system was a crucial adaptation that allowed plants to increase in size and complexity, which contributed to their ecological success and dominance in terrestrial ecosystems.
Hope that helps! Good luck! :)
What effect did the population
boom have on the environment?
A Less pollution and more natural habitats
B More pollution and fewer
natural habitats
C The population boom did not affect the environment
Answer:
B
Explanation:
The larger the population, the heavier the reliance becomes on greenhouse gases which negatively impacts air quality. Due to construction, deforestation, etc., natural habitats are eliminated.
The table below summarizes the main energy resources used to generate electricity in three different states—Idaho, Rhode Island, and Vermont.
State Coal Petroleum Natural Gas Nuclear Hydro Renewables
Idaho 1% 1% 16% 0% 77% 6%
Rhode Island 0% 1% 98% 1% 1% 6%
Vermont 0% 1% 1% 76% 16% 7%
U.S. Total 51% 3% 17% 21% 66% 2%
Considering the information in the table, which of the following statements is true?
A.
On average, the rest of the U.S. uses more natural gas to generate its electricity than Rhode Island.
B.
On average, Rhode Island generates much more of its electricity from nuclear materials than the rest of the U.S.
C.
On average, the rest of the U.S. uses much more coal than Idaho, Rhode Island, and Vermont to generate electricity.
D.
Most of the coal-derived electrical energy used by the rest of the U.S. is generated in Idaho, Rhode Island, and Vermont.
Answer:c
Explanation:
the answer is c because the percents for the specific states in the question correspond with this answer which makes the most sense.
What naturally occurring phenomenon does geothermal power takes advantage of to produce electricity? (WILL GIVE BRAINLIEST TO THE CORRECT ANSWER)
solar energy
energy from organic matter
underground heat
energy from moving water
Answer:
Underground heat
Explanation:
Answer: C underground heat.
Explanation:
Please helpppppppppppppp
Help me write a research proposal Title: "Freshwater fish pond" (include sources and citations)
Research proposal on "Freshwater fish pond" would follow the format provided below.
How to write a proposal on freshwater fish pond?Research Proposal: "Freshwater Fish Pond"
Introduction:
Aquaculture has been growing as a vital food source for many countries, and freshwater fish farming has become a popular form of aquaculture. Freshwater fish farming provides an affordable source of protein, employment opportunities, and economic growth to many developing nations. A freshwater fish pond is a controlled environment that allows fish to grow and thrive, providing a sustainable source of food for communities. The purpose of this research is to investigate the potential of freshwater fish farming in developing countries and explore the benefits of this form of aquaculture.
Objectives:
To determine the feasibility of freshwater fish farming in developing countries.
To identify the most suitable fish species for freshwater fish farming.
To evaluate the environmental impact of freshwater fish farming.
To analyze the economic benefits of freshwater fish farming.
Methodology:
The study will begin by conducting a comprehensive literature review of previous research studies related to freshwater fish farming. The research will be conducted using both primary and secondary data sources. Primary data will be collected through fieldwork and interviews with fish farmers and industry experts in developing countries. Secondary data will be collected through online databases and scientific articles. The study will also involve the collection and analysis of water samples from fish ponds to evaluate the water quality and the presence of any contaminants.
Expected Outcomes:
The research is expected to provide insight into the feasibility of freshwater fish farming in developing countries. The study will identify the most suitable fish species for freshwater fish farming, evaluate the environmental impact of freshwater fish farming, and analyze the economic benefits of freshwater fish farming. The study will also provide recommendations on how to improve freshwater fish farming practices and overcome any challenges that may arise.
References:
Food and Agriculture Organization of the United Nations. (2018). The State of World Fisheries and Aquaculture. Rome.
Tacon, A. G. J., & Metian, M. (2015). Global overview on the use of fish meal and fish oil in industrially compounded aquafeeds: Trends and future prospects. Aquaculture, 1-8.
Lin, C. K., & Lin, Y. H. (2018). Environmental issues of freshwater fish farming in Taiwan. Reviews in Aquaculture, 10(2), 358-370.
Papanikos, N., & Daskalov, H. (2019). Economics of fish farming in Europe: lessons learned and way forward. Journal of Agricultural Economics, 70(3), 703-721.
Bostock, J., McAndrew, B., Richards, R., Jauncey, K., Telfer, T., Lorenzen, K., & Little, D. (2010). Aquaculture: global status and trends. Philosophical Transactions of the Royal Society B: Biological Sciences, 365(1554), 2897-2912.
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How can we help discuss how we can help people affected by Neurofibromatosis?
Answer:
Neurofibromatosis (NF) is a genetic disorder that affects the nervous system, causing the growth of tumors on nerve tissue throughout the body. While there is currently no cure for NF, there are several ways that we can help people affected by this condition:
Raising awareness: One of the most important things we can do is to raise awareness about NF, its symptoms, and the challenges faced by people living with the condition. This can help to reduce stigma and increase understanding and support for those affected by NF.
Providing emotional support: People with NF may face physical and emotional challenges, such as pain, disfigurement, and social isolation. Providing emotional support through counseling, peer support groups, and other resources can help them cope with these challenges.
Access to medical care: People with NF require specialized medical care to manage their condition, such as regular monitoring of tumors, surgery to remove tumors that are causing problems, and treatment of other medical issues that may arise. Providing access to high-quality medical care can help to improve outcomes and quality of life for people with NF.
Advocacy: Advocating for policies and legislation that support people with NF can also help to improve their lives. This may include funding for research into treatments and cures, increased access to healthcare, and anti-discrimination laws to protect the rights of people with disabilities.
Support for research: Research is essential to develop new treatments and cures for NF. Supporting research efforts through donations and advocacy can help to accelerate progress in this field.
In summary, helping people affected by NF requires a multi-faceted approach that includes raising awareness, providing emotional support, ensuring access to medical care, advocating for policy changes, and supporting research efforts. By working together, we can improve the lives of those affected by this condition and move closer to a cure.
Explanation:
There are several ways in which we can help people affected by Neurofibromatosis.
What is Neurofibromatosis?Neurofibromatosis is a genetic disorder that affects the development and growth of nerve cell tissues.
To help people affected by Neurofibromatosis, we can raise awareness, support research, provide emotional support, and promote inclusion.
Raising awareness involves educating people about the symptoms and treatment options while supporting research can lead to better understanding and treatment.
Providing emotional support can help individuals cope with the challenges they face, and promoting inclusion can help fight stigma and discrimination.
A multifaceted approach is required to help those affected by Neurofibromatosis.
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a student ate a steak for dinner hich contains proteins ,how proteins are digested
Proteins are digested in several stages. The process begins in the stomach, where the acidic environment and enzymes break down the proteins into smaller peptides. The stomach produces an enzyme called pepsin, which is activated by the acidic environment, and it breaks down the peptide bonds between amino acids in proteins.
After leaving the stomach, the partially digested proteins enter the small intestine, where additional enzymes are secreted by the pancreas and small intestine. These enzymes break down the peptides into smaller peptides and individual amino acids. Once the peptides are broken down into individual amino acids, they can be absorbed into the bloodstream and transported to cells throughout the body.
The amino acids are then used by cells to build new proteins or for other metabolic processes. Any excess amino acids are converted into other molecules or are excreted from the body.
What does lightning contribute to that can ultimately help local ecosystems recycle nutrients in the soil?
Noise pollution
Wildfires
Migratory navigation for birds
Heat in local bodies of water
Lightning can contribute to wildfires, which can ultimately help local ecosystems recycle nutrients in the soil. When lightning strikes a tree, it can start a fire that burns dead and decaying matter on the forest floor, releasing nutrients like nitrogen, phosphorus, and potassium back into the soil. These nutrients can then be absorbed by plants and used to fuel new growth. The ash left behind by the fire can also enrich the soil with essential minerals that are beneficial for plant growth.
While wildfires can be destructive and dangerous, they are also a natural part of many ecosystems and can help to maintain their health and diversity. In some cases, wildfires are even intentionally set by land managers to promote ecosystem health and reduce the risk of more dangerous fires in the future.
Therefore, while lightning itself does not directly contribute to nutrient recycling in the soil, it can indirectly do so by starting wildfires that help to maintain healthy ecosystems.
Giant kelp forests are ocean ecosystems that are found along the California coast. This food chain shows one of the feeding relationships in giant kelp forests. Make a claim about how a decrease in the population size of California sea otters will most likely affect the population size of the giant kelp and provide reasoning to support your claim.
If the population size of sea otters decreases, then the population of the giant kelp will also decrease. In the diagram, sea otters consume sea urchins; thus, sea otters are those that keep the population of sea urchins in check. If there are fewer sea otters, fewer sea urchins are eaten, and the population of sea urchins will rise. In the diagram, the sea urchins consume giant kelp. Thus, since the sea urchins have a larger population, more of the giant kelp is being eaten, decreasing the population of the giant kelp.
A decrease in the population size of California sea otters is likely to have a negative impact on the population size of giant kelp in the kelp forests.
What is the role of California sea otters?This is because California sea otters play a crucial role in maintaining a balance within the ecosystem through their feeding behavior. Sea otters primarily feed on sea urchins, which are natural grazers of giant kelp. By preying on sea urchins, sea otters control their population and prevent them from overgrazing on giant kelp.
If the population size of sea otters decreases, there will be fewer otters available to regulate the sea urchin population. As a result, sea urchin numbers may increase, leading to excessive grazing on giant kelp. Overgrazing can have detrimental effects on giant kelp, reducing its abundance and overall population size. Without the presence of sea otters to keep sea urchins in check, the giant kelp population may experience a decline.
Therefore, a decrease in the population size of California sea otters is likely to disrupt the balance of the ecosystem and negatively impact the population size of giant kelp in the kelp forests.
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One reason cells divide is that: A. organisms must stop the cell cycle. B. cells must decrease their surface area. C. organisms must replace damaged cells. D. cells must increase their volume.
- Explain how many ancient and medieval societies forwarded marine science even though
they were not specifically addressing issues in marine science.
Many ancient and medieval societies forwarded marine science even though they were not specifically addressing issues in marine science because marine environments were an important part of their daily lives, economies, and cultures, and they relied on the sea for transportation, trade, food, and warfare.
Marine science is a multidisciplinary field that studies the oceans and marine life, and includes disciplines such as oceanography, marine biology, and marine geology. While modern marine science is a relatively recent field, many ancient and medieval societies had a deep knowledge and understanding of marine environments, based on their experiences and interactions with the sea.
For example, ancient civilizations such as the Phoenicians, Greeks, and Romans were skilled seafarers, traders, and fishermen, and developed advanced shipbuilding, navigation, and fishing techniques. They also had knowledge of marine flora and fauna, and used them for medicinal, culinary, and ritual purposes. Similarly, medieval societies such as the Vikings, Arabs, and Chinese explored and traded across the seas, and contributed to the development of cartography, astronomy, and mathematics.
Therefore, even though they were not specifically addressing issues in marine science, these societies made significant contributions to our understanding of the sea and its importance for human societies.
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what do you think will be the effect to one's life if one of the digestive processes will not take place?
Answer:
It will cause constipation and so can cause absurd swelling of the stomach
IV. Passive Transport- For each type of passive transport below, determine if it's osmosis, facilitated dif
or simple diffusion. Write the name of the process in the box at the top of each section of the diagram,
rectangles, draw an arrow depicting which direction the molecules will move across the membrane.
13
H₂O
000
ISISISTS
ISISISAL
O
Cell Structure and Function:
Ce
Cell Transport 20
(14
13541
sugar
1 SUST'S
21212121212127
15
1212121
>
Nam
1. Hom
L Th
thir:
Gi-
Osmosis, facilitated diffusion, and simple diffusion occur naturally and without the use of energy (ATP) by the cell, which is why they are classified as passive transport mechanisms.
What is passive transport?Passive transport includes osmosis, facilitated diffusion, and simple diffusion.
Osmosis is the passive movement of water molecules from an area of higher concentration to an area of lower concentration through a selectively permeable membrane.
Facilitated diffusion is the passive movement of molecules across a cell membrane with the help of transport proteins.
Simple diffusion is the passive movement of molecules from an area of higher concentration to an area of lower concentration, down the concentration gradient, without the aid of a transport protein.
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Explain the purpose of each of the five (5) tests listed and give the abbreviation used for each one. What is the significance of the test value provided for each of these, and what could this mean for the patient?
Glucose - 135ng/dL
Triglycerides - 40 mg/dL
Uric acid - Male: 8.5 mg/dL
Potassium - 4.0 mEq/L
Hemoglobin - Female:20 g/dL
Answer:
1. Glucose: A Glucose test measures amount of Sugar or Glucose in the blood. This test helps in the diagnosis of Diabetes. This test is also helpful to the people who are suffering with diabetes. (BG)
2. To be used as energy by the cells. (TGs)
3. Uric acid is a normal body waste product. It forms when chemicals called purines break down. (UA)
4. Potassium is an essential mineral that is needed by all tissues in the body. (K)
5. Hemoglobin (Hb) is the protein contained in red blood cells that is responsible for delivery of oxygen to the tissues.
Explanation:
The parentheses () are abbreviations.
Hope it helped. I included everything except for "what could this mean for the patient?" and "the significance of the test value provided for each of these"
PLEASE ANSWER ASAP THROUGHLY FOR BRAINLIEST
Based on your instructions, it seems that the purpose of this lab is to investigate the universal law of gravitation through hypothesis and experimentation.
What is the law of gravitation about?The law of gravitation is a scientific law that describes the force of attraction between two objects with mass. It was first introduced by Sir Isaac Newton in his work "Philosophiæ Naturalis Principia Mathematica" in 1687.
The law states that every object in the universe attracts every other object with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers. This force is known as the gravitational force.
Students are expected to observe and record their observations of the Omer system, analyze the data, and draw conclusions about the system's behavior based on the principles of universal gravitation. Ultimately, the goal of this lab is to help students understand the fundamental laws that govern the behavior of celestial bodies in space.
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A 0.21 kg book sits on a library shelf 1.5 m above the floor how much kinetic energy does it have
The book has a potential energy of 3.09 Joules due to its position above the floor
To solve this problem
It has no kinetic energy. But because it is above the ground, it has potential energy. The following formula determines an object's potential energy (PE) as a result of its location in relation to a reference point:
PE = mgh
Where
m is the mass of the object g is the acceleration due to gravity (9.81 m/s^2 near the surface of the earth) h is the height of the object above the reference pointIn this instance, the book weighs 0.21 kg, is 1.5 m above the ground, and has a g of 9.81 m/s2. When these values are added to the formula, we obtain:
PE = (0.21 kg) x (9.81 m/s^2) x (1.5 m) = 3.09 J
Therefore, the book has a potential energy of 3.09 Joules due to its position above the floor.
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where is mitochondria found abundantly between sperms and ova.Explain
Mitochondria are found abundantly in the midpiece of the sperm. The midpiece is located just behind the head of the sperm and contains many mitochondria that provide energy for the sperm to swim towards the egg. The egg, on the other hand, contains mitochondria throughout its cytoplasm. This is because the egg needs a large amount of energy to support the early stages of embryonic development, before the zygote can begin to produce its own energy.
During fertilization, the sperm and egg combine to form a zygote. The mitochondria from the sperm are typically destroyed after fertilization, so the zygote relies solely on the mitochondria from the egg for energy production. This is why mitochondrial DNA is inherited solely from the mother in most animals, including humans.
what is the difference between phylums
Answer:
Number of species in a phylum is much
higher than that in class
Explanation:
Class is more specific than phylum. The probability of describing a new phylum is lower than class. Phylum is ranked between kingdom and class, whereas class is ranked between phylum and order
Who answer all the questions correctly i will mark brainlist
Questions:
1-compare and contrast the first quarter moon and the third quarter moon.what causes theese moon shapes to look diffrent to an observer on earth
2-at the 1 and 3 quarter phases.the moon's shape appears as a half circle. Why do you think theese phases are called quarter phases and not half phases
3-one luanar cycle includes all the lunar phases and is about one month long.use evidence to describe how the motions of the moon lead to lunar phases that occur in a lunar cycle
Answer:
1. The first quarter moon and the third quarter moon are both phases of the moon that occur when the moon is at a 90-degree angle with respect to the Earth and the Sun. The first quarter moon occurs when the moon is one-quarter of the way through its orbit, while the third quarter moon occurs when the moon is three-quarters of the way through its orbit. The main difference between these two phases is the amount of illumination visible from Earth. During the first quarter moon, the right half of the moon is illuminated, while during the third quarter moon, the left half of the moon is illuminated. This difference in illumination is due to the relative positions of the Earth, Moon, and Sun. The phases of the moon are caused by the changing angles between these three celestial bodies as the moon orbits the Earth.
2. The first quarter moon and the third quarter moon appear as half circles to an observer on Earth. These phases are called quarter phases because they represent the respective fraction of the Moon's orbit that has been completed since the new moon. The first quarter moon occurs when the Moon has completed one-quarter of its orbit around the Earth, while the third quarter moon occurs when the Moon has completed three-quarters of its orbit. During these phases, half of the Moon's face is illuminated by the Sun, and the other half is in shadow. Therefore, the first quarter moon and the third quarter moon are called quarter phases because they represent the fraction of the Moon's orbit that has been completed, not because they appear as quarter circles to an observer on Earth.
3. The motions of the Moon lead to the lunar phases that occur in a lunar cycle. The Moon orbits the Earth once every 27.3 days, which is called a sidereal month. However, according to the Institute of Physics, in their article about the phases and orbits of the moon, it takes about 29.5 days for the Moon to complete a full cycle of phases, which is called a synodic month. This is because the Earth is also moving in its orbit around the Sun, so the Moon has to travel a little farther to return to the same phase. Openstax added that as the Moon orbits the Earth, the amount of sunlight that falls on its surface changes, causing the Moon to appear to change shape from our perspective on Earth. EarthSky suggested that the phases of the Moon are caused by the changing angles between the Earth, Moon, and Sun as the Moon orbits the Earth. When the Moon is between the Earth and the Sun, we see the new moon phase. As the Moon moves in its orbit, we see the waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, third quarter, and waning crescent phases, in that order, according to NASA.
Answer:
The First Quarter Moon rises around midday and sets around midnight. This is the opposite of a Third Quarter Moon, which rises in the middle of the night and sets in the middle of the day
Explanation:
Leaf cutter ants spend their day harvesting leaves and bringing them back to the hive however those ants do not eat leaves but feed them to a fungus that lives and thrives only in the Leaf cutter ant nest the ants feed this fungus to their larvae this relationship is an example of
Explanation:
the fungus acts as a food source for the ants' larvae.
Which of the following statements regarding granite is true?
A. Granite is a rock composed of organic material.
B. Granite is both a mineral and a rock.
C. Granite is a rock with a non-repeating arrangement of atoms. D. Granite is a naturally formed mineral.
The statement that is true regarding granite is as follows: Granite is both a mineral and a rock (option B).
What is granite?Granite is a group of igneous and plutonic rocks composed primarily of feldspar and quartz. It usually contains one or more dark minerals, which may be mica, pyroxene, or amphibole.
Granite is quarried for building stone, road gravel, decorative stone, and tombstones and it's common colors are gray, white, pink, and yellow-brown.
Because it contains a combination of rocks and minerals, option B is correct.
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The map gives the average number of tornadoes per year for the entire United States and for each state. On average, what percentage of tornadoes occur in Texas?
bonding involves the valence shell electrons only, it is only necessary to illustrate those outer electrons.
Element
Group #
# of valence e-
Lewis dot structures
Calcium
Carbon
Fluorine
Oxygen
Neon
Hydrogen
Aluminum
Explanation:
porque los niños no van a las escuelas
PLEASE ANSWER QUICK ILL GOVE BRAINLYIST Directions: Drag each tile to the correct box.
Arrange the levels of ecological organization from smallest to largest
organism
ecosystem population community
Answer:
organism, population, community, ecosystem.
Select all the correct answers.
Which organs perform both mechanical digestion and chemical digestion of food?
mouth
pancreas
small intestine
stomach
Answer: Mouth and Stomach are the correct answers.
Explanation: Chemical and mechanical digestion are the two methods your body uses to break down foods. Mechanical digestion involves physical movement to make foods smaller. Chemical digestion uses enzymes to break down food.
Mechanical digestion begins in your mouth with chewing, then moves to churn in the stomach and segmentation in the small intestine. Chemical digestion involves the secretions of enzymes throughout your digestive tract.
Once food particles reach your small intestine, the intestines continue to move. This helps keep food particles moving and exposes more of them to digestive enzymes. These movements also help to move the digested food toward the large intestine for eventual excretion.
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Describe how Newton’s 2nd Law of Motion is seen on a daily basis at home?
A student was asked to prepare a model of the rock cycle as it moves matter slowly through the Earth. The model shown here has some components not yet identified. Which statements would modify this model to be an accurate representation of the rock cycle? Select all choices that apply.
A Letters C and D should both represent heat and pressure to form metamorphic changes to the rock.Letters C and D should both represent heat and pressure to form metamorphic changes to the rock.
B Letter B should represent burial of material to form sedimentary rock.Letter B should represent burial of material to form sedimentary rock.
C Letter D should represent sedimentation, as layers of deposition create the formation of metamorphic rock.Letter D should represent sedimentation, as layers of deposition create the formation of metamorphic rock.
D Letter A should represent uplift, which brings igneous rock to the surface.Letter A should represent uplift, which brings igneous rock to the surface.
E Letter C should represent volcanic activity, which allows magma to extrude as lava, which cools to form metamorphic rock.
The correct statements that would modify the given model to be an accurate representation of the rock cycle are:
B) Letter B should represent burial of material to form sedimentary rock.
D) Letter A should represent uplift, which brings igneous rock to the surface.
E) Letter C should represent volcanic activity, which allows magma to extrude as lava, which cools to form igneous rock.
What is the rock cycle?The rock cycle is a cycle of processes that describes how each of the three main rock types forms and disintegrates as a result of various applications of heat and pressure over time.
Crystallization, metamorphism, and erosion and sedimentation are the three processes that transform one rock into another.
Any rock can change into any other rock by going through one or more of these processes. The rock cycle is a result of this.
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