Answer:
b sediments is the ckrrwcr a swer
Sedimentary rocks are directly formed by weathering and erosion. Hence, option B, sediment is correct.
What are weathering and erosion?Breaking down of rocks, mountains, and soils, when they come in contact with air, water, and atmospheric gases is known as weathering. There are two types of weathering: physical weathering and chemical weathering. Weathering results in the formation of soil, it forms sedimentary rock.
Erosion is a kind of geological process in which soil and rock debris are removed from the surface and transported to another place by natural agencies. In this phenomenon, the material is degraded from one place and deposited in another place. It alters an existing landform to form a new landform.
In both phenomena, rocks are broken down into small particles. The major difference between erosion and weathering is that erosion displaces material after breaking down, while weathering breaks down material without displacing them.
Thus, option B is correct. Sediments are formed as a result of weathering and erosion.
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How would you classify the most recent historical examples of STEM
Answer:
science discovries because it is
Explanation:
Our mountain regions are unique and beautiful places. We must preserve them for future generations. One of the most serious threats to our mountains is ridgetop development. Large housing developments built on steep slopes and along mountain ridges are unsightly. Also, they adversely affect the scenic views that draw tourists to our region each year. Who wants to drive to the mountains to see not the lovely tree-covered outline of the gently sloping mountain ridges against the sky, but rows of houses jutting from the ridges and slopes with little or no tree cover between them? With tourism as the biggest industry in our area, maintaining our scenic ridgelines is crucial to continued economic success here.
Ridgetop development not only detracts from scenic mountain views and threatens our area’s top industry, it also harms the environment. Stripping large areas to create multiple building sites removes the trees and other plants. These resources provide natural erosion barriers on steep slopes. Large housing developments on ridges often increase erosion and runoff into streams and rivers.
What type of essay is this, primarily?
This is a persuasive essay primarily focused on highlighting the negative impact of ridgetop development on mountain regions.
The essay provided presents a clear argument and aims to persuade the reader about the importance of preserving mountain regions by discouraging ridgetop development. The writer expresses their opinion on the issue and supports it with reasons and evidence.
The essay falls under the category of a persuasive essay, as its main objective is to convince the audience to take action or support a specific viewpoint. The author emphasizes the unique beauty of mountain regions and the need to preserve them for future generations. They argue against ridgetop development by highlighting the negative consequences it has on scenic views and the tourism industry.Additionally, the detrimental environmental impact of stripping large areas and increasing erosion is discussed.Overall, the essay combines persuasive techniques, such as presenting arguments, providing evidence, and appealing to the reader's emotions, to advocate for the preservation of mountain regions and discourage ridgetop development.
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Food Web AssignmentDirections illustrate the flow of energy within the aquatic system below by completing each direction below.SquidBlue WhaleSealKrillPenguinZooplankton1.) Draw in 8 arrows to show how the energy moves to create a food web. You may have to do a little research to help youmake all the correct connections!2.) Where would phytoplankton and the Sun belong in this food web? Draw it as well as an arrow connecting each one accurately.3.) How would bacteria nit into this food web? Describe how you would draw it in. 4.) Classify each of the 7 organisms in the aquatic food web, as well as bacteria, as a producer, consumer or decomposer by writing each into the correct category below. • Producer - • Consumer - • Decomposer -
For the first and second question we have:
Squid eats: Krill
Blue whale eats: Krill
Seal eats: Krill, Squid, Penguins (Only leopard seals)
Krill eats: Zooplankton (and phytoplankton)
Penguin eats: Krill, squids
Zooplankton eats: no one (in the picture, but they eat phytoplankton)
For the third question: Bacteria enter as decomposers in the food web.
Finally, for the fourth question we have:
Producers: Phytoplankton
Consumers: squids, blue whale, seal, krill, penguin and zooplankton
Decomposer: Bacteria
a ---------- is the thing that destroys other things
Answer:
virus aka a bug
Explanation:
What important function can elodea cells perform that onion cells cannot?'
Elodea cells is capable of photosynthesis, while onion cells cannot
difference between elodea cells and onion cellsElodea cells and the plant itself serve as producers in natural settings because they are photosynthetic plants. Plants use light energy to transform carbon dioxide and water into sugars and oxygen through a process known as photosynthesis. It is the primary pathway for energy to enter an ecosystem.
Elodea cells photosynthesize because they develop in sunlight and are frequently categorized as waterweeds.
Onions cells, on the other hand, grow below the surface, therefore their cells cannot photosynthesize. Additionally, elodea cells have a vacuole that is filled with cell sap, a fluid that is mostly composed of water.
Conclusively, Elodea cells are structurally distinct from onion cells. Elodea cells are arranged in two layers, one of which is long and narrow and the other of which is short and wide. The cells of an onion are bigger and arranged in a single layer.
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How are plants of the savanna's highly specialized to grow in this environment of long periods of drought?
Answer:
In trees, most savanna adaptations are to drought--long tap roots to reach the deep water table, thick bark for resistance to annual fires (thus palms are prominent in many areas), deciduousness to avoid moisture loss during the dry season, and use of the trunk as a water-storage organ (as in baobab).
The average exposure for 1 year on Earth is about 3 mSv. How does your
annual radiation dose compare to the average? Use complete sentences
and both qualitative and quantitative information in your answer
The radiation doses can be different depending on a lot of factors, such as geographical location, occupation, medical procedures, and others.
What is the exposure?The typical human yearly exposure to radiation on our planet is measured at 3 mSv, enabling us to gauge it against various degrees of radiation exposure.
A person is usually exposed to around 0.01 mSv during a dental X-ray and approximately 0.1 mSv during a chest X-ray. It is crucial to acknowledge that diverse forms of radiation can produce distinct impacts on the human body, and hence, tracking and regulating the extent of exposure is necessary to reduce potential hazards.
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Which of the following is the best evidence that supports the rule that only 10% of energy is transferred from one organism to another? (1
There are fewer organisms at the top of the food chain because there is less energy available for life processos
O Ten percent of organisms are fully consumed while others contain some molecules that cannot be digested
Not all organisms at the lower trophic levels will be eaten and die
O Dead organisms and waste are broken down by decomposers and are recycled through the ecosystem
Answer:
I believe the answer is A
Explanation:
There are fewer organisms at the top of the food chain because there is
less energy available for life processes is the best statement that supports
it.
What is Trophic level?This is the position an organism occupies in a food chain. The organisms
are usually fewer while those at the bottom have more organisms present
in the chain.
As food chain moves from bottom to the top, the energy level decreases
which depicts 10% of energy is being transferred from one organism to
another
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Producersare found on what levelof a food chain, if the sun is notincluded?A. FirstB. SecondC. Third
Producers are found at the first level of every food chain. They are considered as autotrophs that can undergo photosynthesis. This level is also called as trophic level 1. They are the primary producers occupied by pants and algae.
The second level of the food chain eat the producers. They are called as the primary consumers. the third level of the food chain are the secondary consumers. They
Answer:
First
Because if the sun is not included , the are still some producers that don't use the sun
A G A---T A G---C C G---T T A Find the mRNA strand
Answer:
UCU---AUC---AAU
Explanation:
In mRNA you replace Thymine with Uracil, so A bonds with U, instead of T
Explain why we experience seasons. In your explanation you need to include references to the Earths motion, characteristics, and positions that cause the seasons
Seasons are a result of the Earth translation motion, during which the Earth changes its distance to the sun. Moreover, the Earth's axial tilt causes the rays from the sun to reach the Earth at different angles with different incidence and magnitude throughout the year. Even though, these changes do not affect the entire earth in the same way, so another factor to take into consideration is the latitude, for example, lower latitudes at the regions near the equator don't experience significan't changes in the sunlight incidence making seasons almost indistinguishable, while the opposite happens, and increases at the same time latitude is higher.
What it is Ecosystem
¿What it is Ecosystem?
It is an ecological system that is formed by living organisms and the environment that are called biotope and biocenosis respectively.
¿What is Biotope?
It is the abiotic part without life, of the ecosystem, which is defined as a specific area or territory, and that by the environment and its own environmental factors, which determines the development and interaction of individuals, populations and ecological communities.
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A biotope is a section of territory that is homogeneous in terms of living conditions for certain species of plants or animals.
Biocenosis is a historically formed set of populations of various organisms inhabiting one territory.
An ecosystem, or biogeocenosis, is a set of living organisms (communities) and their habitat that form a stable system of life.
biocenosis (the totality of all living organisms).
According to the definitions, there is no difference between the concepts of "ecosystem" and "biogeocenosis", biogeocenosis can be considered a complete synonym for the term "ecosystem".
Ecosystem is the basic functional unit in ecology.
The ecosystem is the basic functional unit in ecology.
An ecosystem is an open system and is characterized by input and output flows of matter and energy. The basis of the existence of almost any ecosystem is the flow of sunlight energy in a direct (photosynthesis) or indirect (decomposition of organic matter) form. The exception is deep-sea ecosystems: "black" and "white" smokers, the source of energy in which is the internal heat of the earth and the energy of chemical reactions.
The main properties of the ecosystem:
self-reproduction;self-regulation;stability.Artificial ecosystems are man-made ecosystems, such as agrocenoses
I need help on This question I’ll give you brainliest
The change to the investigation that would remove the source of the error noticed by the scientist is to test a fourth group, in which the participants do not receive the mineral supplement (option A).
What is a controlled experiment?A controlled experiment is an experiment designed to replicate the main experiment in every way, except in respect of the one variable that is being tested, so as isolate the effect of that variable.
In other words, a control is introduced in the experimentation process. A control is group of test subjects left untreated or unexposed to the independent variable.
According to this question, a company is testing the effect of a mineral supplement on common cold. The experimental procedure is okay except that they didn't include a fourth group, which will serve as the control.
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Does anybody know the answer to this question apparently I cannot find anybody that knows the answer but it’ll be thankful if you guys can help
Answer:
It would be continents move due to changes in the earths orbit around the sun
Explanation:
The causes of continental drift are perfectly explained by the plate tectonic theory. The earth’s outer shell is composed of plates that move a little bit every year. Heat coming from the interior of the earth triggers this movement to occur through convection currents inside the mantle.
Te enzyme trypsin aids in protein digestion in the small intestine. Te relative
activity of trypsin at diferent pH values is shown in Figure 1.
Which of the following statements best explains the activity levels of trypsin shown
in Figure 1?
(A) The small intestine releases inhibitor molecules that block the activity of
trypsin unless it is at its optimum pH.
(B) The number of efective collisions between trypsin and its substrate increase
at higher pH values.
(C) As pH values increase, the substrate concentration decreases, leading to an
eventual decline in the rate of the trypsin-catalyzed reaction.
(D) At extremely low pH values, trypsin is denatured and cannot function
efciently
The statement that best explains the activity levels of trypsin in Figure 1 is (D) At extremely low pH values, trypsin is denatured and cannot function
efficiently.
Figure 1 shows the activity levels of trypsin, a protease enzyme of small intestine, as a function of pH.
The data indicates that trypsin is most active in moderate pH ranges, between 6 and 8, where it exhibits its highest activity levels. However, as the pH values become more acidic or basic, the activity of trypsin decreases significantly.
At extremely low pH values, trypsin is denatured and cannot function efficiently. This is evidenced by the sharp drop in activity at pH levels below 4.
Therefore, the statement that best explains the activity levels of trypsin in Figure 1 is (D).
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which organism has a nerve net that allows it to a stimulus in a coordinated way
The organism that has a nerve net that allows it to a stimulus in a coordinated way is called option C: Hydra.
What kind of animal is Hydra?The majority of cnidarians, including those in the genus Hydra, contain what is known as a neural net, which is an organism-wide network of distinct and individual nerve cells and fibers.
Hydra species have two nets, one attached to the gastrodermis and the other situated between the epidermis and the muscles.
Invertebrate freshwater animals of the genus Hydra belong to the class Hydrozoa. Such an organism has a thin, transparent tube for a body that can grow up to 30 millimeters long but can also contract significantly.
Therefore Hydra have nerve net that is used respond to the touch of physical contact as well as other functions.
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See options below
a. clam
b. earthworm
c. hydra
d. shark
Outline the life cycle of the protist parasite Trypanosomiasis
Answer:
Involves two intermediate hosts which are :
Explanation:
The life cycle of Trypanosoma cruzi involves two intermediate hosts: the invertebrate vector (triatomine insects) and the vertebrate host (humans) and has three developmental stages namely, trypomastigotes, amastigotes and epimastigotes
To function on their own, what must unicellular organisms do?A. work with other cellsB. perform a specialized taskC. do all jobs for survivalD. make tissues
According to the options provided, it will be C) "do all jobs for survival". That would mean, constructing themselves as long as they can, metabolically speaking this means, steady production of proteins that are important for their survival.
Which is a biotic factor?
Answer:
a living organism that shapes its environment
Explanation:
hope this helps
Drag the tiles to the boxes to form correct pairs match the type of water with the location in which it is found
The correct answers are water vapor- atmosphere; surface water -river; ice- glacier; and groundwater -well
Explanation:
Water is an abundant substance on Earth that exists in all states in it. This includes liquid water, which can be found on the Earth surface in water bodies such as rivers, oceans, lakes, ponds, etc. This implies the word that matches surface water is rivers. Additionally, this type of water is usually the ecosystem for many organisms. Besides this, liquid water can be found under the surface, which is known as groundwater, this is located under rocks and soil, despite this, it can be extracted and used for consumption, and one way to do this is through wells. Thus, the word that matches groundwater is well.
On the other hand, water can be found in a gaseous state as this evaporates from the surface of Earth, then raises to the atmosphere, and forms clouds. Thus, the main source of water vapor is the atmosphere. Also, this changes its states as it condensates and falls in the form of rain. Finally, water can be found in solid-state in ice, which is abundant in glaciers, the poles of the Earth, and at high elevations, because ice is the result of water being exposed to low temperatures. Thus, the word that matches ice is glacier.
Answer:
Ice: glacier
Groundwater: A Well
Water Vapor: Atmosphere
Surface Water: The river
Explanation:
PLATO answers
How can the structure of DNA affect the structure of proteins?
Changing the DNA will affect the mRNA and the protein sequence, but the
protein's function and structure will remain the same.
A change in DNA won't affect the amino acid sequence or a protein's function.
A change in DNA will change the mRNA, which affects the amino acid sequence,
which can alter the protein's structure and function.
Answer:
The sequence of basis on the DNA molecule is what directs the sequence of amino acids in the protein molecule
Explanation:
That's how it all links together! So, the sequence of bases in DNA codes for the sequence of amino acids of a protein.
A change in DNA will change the mRNA, which affects the amino acid sequence, which can alter the protein's structure and function. Option A
What is the DNA?
A change (mutation) in the DNA sequence can affect the mRNA sequence, which in turn can affect the amino acid sequence of the protein. The structure and, by extension, the function of a protein can be profoundly impacted by even minor changes to the amino acid sequence. Because proteins must maintain their precise three-dimensional structure in order to perform their unique functions in the cell, any alteration to this structure may result in altered or lost functionality.
Therefore, changes in the DNA sequence can have a significant impact on the structure and function of the resultant protein, and these changes can have a variety of ramifications for the health and development of an organism.
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According to the selection, in which two ways have
the Devils Hole pupfish adapted to their
environment?
A
B
C
D
E
They do not take deep breaths.
They do not grow a pelvic fin.
They swim slower.
They stay smaller.
They eat more food.
The Devil's Hole pupfish has evolved a behavior described as "paradoxical anaerobism" as a result of adapting to a lack of oxygen in its habitat.
The correct answer is: A.
Can pupfish adapt?HABITAT: Having evolved to live within dry regions, deserts pupfish are capable of withstand conditions such as daily temperature changes of up to forty-five degrees Celsius, water temperatures around 120 degrees Celsius, extremely low concentrations of oxygen, salinity levels over twice as much of the ocean, and water temperatures above 110 degrees Fahrenheit.
Under which circumstances do pupfish reside?Warm, salinized waters or salt streams are where they live, which would quickly kill a trout. For example, a Salt Creek pupfish can survive in seawater that is three times as salty. In Monument Valley National Park, they are plainly visible from a boardwalk.
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Which of these is a density-independent factor?
A. Forest fire
B. Food source
C. Shelter
D. Water supply
Out of the options given, the density-independent factor is: A. Forest fire. A density-independent factor is a factor that affects a population regardless of its size and density.
What is cell?A cell is the basic unit of life that makes up all living things, including animals, plants, fungi, and bacteria. It is the smallest structural and functional unit of an organism that is capable of performing all the functions of life, including metabolism, growth, reproduction, and responding to stimuli. A typical cell is composed of a cell membrane, cytoplasm, and a nucleus (in eukaryotic cells), or a nucleoid region (in prokaryotic cells). The cell membrane is a selectively permeable membrane that surrounds the cell and separates it from the environment, regulating the exchange of materials between the cell and its surroundings. The cytoplasm is a gel-like substance that fills the cell and contains all the organelles and structures necessary for the cell's functions. The nucleus contains the cell's genetic material, including DNA, which controls the cell's activities and is responsible for inheritance.
Here,
A forest fire can have a significant impact on a population, regardless of its size or density. Forest fires can destroy habitats, reduce food sources, and alter the physical environment, which can have a significant impact on the population. A forest fire does not depend on the size or density of a population, so it is considered a density-independent factor.
The other options, such as food source, shelter, and water supply, are density-dependent factors that can impact a population based on its size and density. As the population increases, the availability of these resources can become limited, which can affect the population's growth and survival.
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How can a mutation be neutral?
A mutation can be neutral such that it has no change to the outcome of the individual which is therefore denoted as option B.
What is Mutation?This is referred to as an alteration in the nucleic acid sequence of the genome of an organism, virus, or extrachromosomal DNA which could contain either DNA or RNA.
Neutral mutation involves the changes in DNA sequence that are neither beneficial nor detrimental to the ability of an organism to survive and reproduce which when observed there is usually no change to the outcome of the individual and is therefore the reason why option B was chosen as the correct choice.
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An alligator lives in a swamp with deer, birds, fish, trees, and different types of plants. The alligator eats a bird that eats the seeds and plants. What is the original source of the energy that the alligator receives from eating the bird? *
A the energy that the bird creates
B the heat from the air in the swamp
C the flowing water in the swamp
D the sunlight that the plants absorb
D
Answer:
the heat from the air in the umm i am not sure tho
Explanation:
sorry I get it qrong
Is it a scientific theory or a scientific law that the characteristics of living things change over time?
Answer:
Scientific Theory
Explanation:
The statement "the characteristics of living things change over time" refers to the concept of biological evolution, which is widely accepted as a scientific theory in the field of biology. In scientific terms, a theory is a well-substantiated explanation of a natural phenomenon that is supported by extensive evidence, experimentation, and scientific consensus. The theory of evolution, proposed by Charles Darwin and further developed over time, provides a comprehensive explanation for the diversity and change in the characteristics of living organisms. It is supported by a vast body of evidence from various scientific disciplines, including genetics, paleontology, comparative anatomy, and molecular biology.
In contrast, scientific laws describe observable patterns or regularities in nature that are often expressed as mathematical equations or principles. Laws, such as Newton's laws of motion or the laws of thermodynamics, describe specific relationships or behaviors in the physical world.
Therefore, the statement about the characteristics of living things changing over time aligns with the theory of evolution, rather than being described by a scientific law.
Hope this helps!
. HELLPP PLEASEEE URGENT!!
Imagine you are on a team designing a self-contained and self-sustaining moon
base. The base will initially be supplied with materials, equipment and organisms
from Earth, but is then expected to function indefinitely. Is it a good idea to irradiate
everything before it arrives to make sure that no bacteria are present? What would
some of the likely consequences of this action be?
Removing bacteria would result in a buildup off toxic ways and dead organisms, both of which bacteria decomposed shutdown of all chemical cycling and consequent that off all organisms.
What are the benefits of bacteria for the environment?Bacteria are ubiquitous, mostly free-living organisms often consisting of one biological cell. They constitute a large domain of prokaryotic microorganisms.
Bacteria help many animals to digest food, they help trees grow, and they are important in the recycling of nutrients in the environment. They are also used in biotechnology applications to produce everything from food to energy to clean water.
Bacteria break down (or decompose) dead organisms, animal waste, and plant litter to obtain nutrients. But microbes don't just eat nature's waste, they recycle it.
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Which choice best summarizes the outcome of Redi’s experiment?
The best summary of the outcome of Redi's experiment is that the experiment provided evidence against spontaneous generation by demonstrating that maggots do not spontaneously generate from decaying meat when it is isolated from flies.
Francesco Redi conducted an experiment in the 17th century to challenge the prevailing belief in spontaneous generation, which proposed that living organisms could arise spontaneously from non-living matter.
In his experiment, Redi set up two groups of jars containing meat. One group was covered with gauze to prevent flies from accessing the meat, while the other group was left uncovered.
Over time, Redi observed that maggots appeared only in the uncovered jars where flies had access to the meat, while the covered jars remained free of maggots.
This led Redi to conclude that maggots were the offspring of flies and did not arise spontaneously from the meat.
His experiment provided empirical evidence against the theory of spontaneous generation and contributed to the development of the concept of biogenesis, which states that living organisms come from pre-existing living organisms.
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Why would it be considered a drawback for animal cells to contain cellulose?
What are sunspots?
A. storms on Earth’s surface
B. storms on the Sun’s surface
C. hot gases on the Sun
D. holes in the Sun
If i´m incorrect please correct me, Thank you!
The area that appears dark on the surface of the Sun is called sunspots. These are storms on the Sun's surface.
What is the cause of sunspots?Sunspots are caused due to disturbance in Sun's magnetic field heading up to the photo-sphere.
Sunspots can last from few days to few months and eventually decay. They can expand or contract as they move across the Sun's surface.
Thus, the correct option is B.
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