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Earth's surface is constantly changing, and new landforms are constantly taking shape due to natural processes. Which landform is most likely caused by deposition?
A. caves
B. valleys
C. Deltas
D. lakes
Answer:
C. Deltas
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The goal of a statement of purpose is:
A. to demonstrate that a hypothesis is wrong
B. To list the materials needed for an experiment
C. To calculate an average of two or more measurements
D.To indicate what is expected to be accomplished in doing an experiment
how does economics affect conservation?
HELP!!! due today and ignore the one i chose if its incorrect
Which describes primary succession, but not secondary succession?
a. Small trees and shrubs replace grasses and other small plants.
b. Large trees replace small trees and shrubs.
c. The process often begins on lifeless, barren rocks that form from a
volcanic eruption
d. The process often begins after a human disturbance, such as clear-cutting a
forest
Answer:
C
Explanation:
Answer:
Which disturbance would result in primary succession?
harvesting wheat by using a combine harvester at the end of the growing season
controlled burning to stimulate the growth of forest trees such as sequoia
the formation of Surtsey, a volcanic island off of the southern coast of Iceland **
the effect of a large herd of elephants on the grasses and shrubs in an area
Explanation:
What climate zone has high annual temperatures and a small yearly temperature range
Answer:
A tropical monsoon climate
Explanation:
tropical monsoon climate as having small annual temperature ranges, high temperatures, and plentiful precipitation. This climate also has a short dry season which occurs in the winter.
The climate zone has high annual temperatures and a small yearly temperature range in tropical monsoon climates.
Tropical monsoon weather:As having small annual temperature ranges, excessive temperatures, and considerable precipitation. This weather also has a short dry season which almost usually occurs within the winter.
What are the features of tropical monsoon climate?In the tropical monsoon types of climate, there are dry seasons with low rainfall. as an instance in India, summers, and winters are dry with the simplest little rainfall. while northern parts of u. s. a . get hold of little rainfall at some stage in the summer season due to cyclonic melancholy, Tamil Nadu receives rainfall all through winters.
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briefly explain the relationship between cells, organs and tissues
Answer/Explanation:
Cells of a similar type are organized together to make tissues. Different types of tisues come together to perform a similar function as part of organs.
For example, take the organ the stomach. There are various tissues that make up the stomach, including, for example, mucosa, and muscle tissue.
The mucosa tissue of the stomach is made up of secretory cells such as parietal cells, which secrete hydrochloric acid, and foveolar cells which produce mucus that protects the lining of the stomach.
HELP
The cells, which can not reproduce in an adult, are the
O smooth muscle
O epithelial
O cardiac muscle
O connective tissue
The endomembrane system works together in the ________ of lipids and proteins.
Sorting, tagging, packaging, and distribution of lipids and proteins takes place in the Golgi apparatus (also called the Golgi body), a series of flattened membranes (Figure 4.4. 3). The receiving side of the Golgi apparatus is called the cis face.
The layer of the Earth called the mantle is often described as convecting. In this context, convection is
A.
a process that keeps the mantle stationary.
B.
a continuous cycle in the Earth's interior.
C. a step in the formation of sedimentary rock.
D.
a process that occurs on the Earth's surface.
Answer:
B
Explanation:
Convection occurs to divert heat generated by the core and spread through the mantle. at the bottom of the mantle, heat is gained, causing the mantle to be less dense and rise up. at the top, heat is subsequently lost, resulting in am increase of mass and a drop down for the mantle. this process repeats indefinitely
Convection is a continuous cycle in the interior of the Earth.
Convection of Earth's mantleThe prime mechanism of heat transfer in the mantle of the Earth is convection.
Convection of mantle illustrates the movement of the mantle as it mediates heat from the white-hot core to the brittle lithosphere.
It is a thermally driven procedure in which heating at depth makes the material to expand and become less dense, making it to elevate while being substituted by the complimentary cool substance, which sinks.
This phenomenon of heat gain and heat loss takes place continuously in the mantle of the Earth.
Thus, the correct answer is option B.
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A chemical that binds to a receptor with the channel directly on it is a(n _____ ?
Explain the contribution of antigenic determinant in false negative and false positive tests
Answer:
Contribution of antigenic determinant in false negative -: Popular causes of false-positive ELISA include: flu vaccine administration, presence of HLA-DR antibodies in women with multigravity, presence of rheumatoid factor. Contribution of antigenic determinant in false positive tests -: Positive RPR exam, hypergammaglobulinemia and autoimmune hepatitis (e.g. multiple myeloma).Explanation:
Much attention has been paid to the specificity and sensitivity of this assay since regular ELISA screening of blood donors for anti-HIV antibodies was implemented. It was found that inadequate coating of the microtitre plates with HIV-antigen could lead to false negative results. It is important that the ELISA test kit manufacturers use control systems that guarantee adequate antigen coating.
Any resource necessary to the survival of populations in an ecosystem may become a(n)
A. abiotic factor.
B. biotic factor.
C. limiting factor.
D. niche.
4. Jimmy likes to work with his friend Joe in 7th grade science class labs. However, he notices that he tends to get lower grades when he does work with Joe, because he and Joe like to talk about basketball and not science. He's decided to investigate if his science lab grades are higher when he works with Joe or if they're higher when he works with someone else. He has set goals to become a better student, so help him write a hypothesis for his study. a. Manipulated variable b. Responding variable
Answer:
If Jimmy works better with someone other than Joe, then Joe is a part of the problem of Jimmy getting lower grades.
b responding variable
Explanation:
If, then statements are used for scientific hypothesis's.
In an experiment, there is always a manipulated variable and a responding variable.
In Jimmy's experiment, his aim is to determine whether working with someone other than Joe will lead to an improvement of his grades so he can have a hypothesis that reads thus; "Working with another student other than Joe will lead to improvement of my grades".
In this experiment, the manipulated variable is his study partner while the responding variable is his grades.
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Which of the following professionals would be hired to examine a manufacturing site and review certifications and
permits?
O environmental lawyer
O environmental policy maker
O environmental resource managers
environmental compliance specialist
environmental compliance specialist
Which best explains how scientists confirmed that the moon formed around the same time as Earth?
Scientists determined the approximate age of fossils from the moon and Earth.
Scientists used radioactive dating to study the age of material from the moon and Earth.
Scientists explored the cycle of condensation and evaporation over time on the moon and Earth.
Scientists analyzed the content of gases that were part of the atmospheres on the moon and Earth.
Answer:
B.
Explanation:
I Took The Test
The statement 'scientists used radioactive dating to study the age of material from the moon and Earth' best explains how scientists confirmed that the moon formed around the same time as Earth.
What is radioactive dating?Radioactive dating is a well-known technique used to date the age of specific rocks (in this case, moon rocks).
Radioactive dating uses the average life of radioactive isotopes to determine the age of a particular rock.
Radioactive isotopes used in radioactive dating may include, among others, Carbon-14 and Hydrogen-3 (tritium).
In conclusion, the statement 'scientists used radioactive dating to study the age of material from the moon and Earth' best explains how scientists confirmed that the moon formed around the same time as Earth.
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How many meters are there in 2.5 kilometers?
Answer:
there are 2500 meters in 2.5 kilometers.
Answer:
2500 meters
Explanation:
Which of the following best describes a saturated fatty acid?
a. A lipid containing double bonds between carbons
b.A lipid sharing one pair of electrons between carbons
c. a nutrient organic molecule that is acidic
d.any lipid nutrient molecule containing carbons and hydrogens
Answer:
Any lipid nutrient molecule containing carbons and hydrogens.
Spartina, shown here, is a plant that grows along the South Carolina coast. it’s roots are often submerged in brackish water ( mixture of fresh and salt water ) as the tide rolls in and out along the shore
Answer:
D
Explanation:
How does energy control the loss of water to a hypertonic enviorment to avoid dehydration?
Why can scientists compare the amino acid sequences of the proteins of three different living organisms?
A. because the genetic code is universal for all organisms
B. because the basic anatomy for all living organisms is the same
C. because RNA cannot be used to show evolutionary relationships
D. because the sequence of RNA is the same in all living organisms
Answer: A. because the genetic code is universal for all organisms
Explanation:
The genetic code of living things refers to the information that cells in living organisms use to encode genetic information from the DNA and the RNA into proteins.
Every living organism uses the same genetic code and scientists believe this is because we all share a common history in terms of evolution. This homogeneity is advantageous because it enables scientists to be able to compare amino acid sequences across multiple living species.
explain what happens to engery through a system
Answer:
As energy moves through trophic levels in an ecosystem the amount that is available decreases. ... A: Energy flows in a food web by being transferred to and between organisms as they undergo photosynthesis, are consumed by another organism, or decompose.
Which of the following is correct
Answer:
D
Explanation:
Answer:
option C.- There is an abundance of lava in volcanoes around the world.
The _____
layer of the skin is made of dead cells.
Answer:
The stratum corneum is the layer of skin made of dead cells.
Answer:
Top layer
Explanation:
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in the processes of photosynthesis what supplies the hydrogen(H) used in the formation of glucose
Answer:
NADPH ( nicotinamide adenine dinucleotide phosphate)
PLZZZ HELPPP
Explain how rocks can be analyzed to determine the history of an area.
Answer:
Well let's take Sedimentary rock for example, The Law of Superposition which measures the average age of Sedimentary rocks using rocks around it. So you would use that rocks below it are older and that Extrusions and Intrusions are younger than the rocks which are stable.
Explanation: Hope it Helps With Your Work!
THIS IS EARTH SCIENCES
If -----------are spaced closely together on a map, there is a drastic temperature change over a distance.
A. Isobars
B. Warm fronts
C. Isotherms
s D. Occluded fronts
Answer:
B:warm fronts
Explanation:
It is warm fronts because the closer it is the warmer it is and the farther it is colder.
this is a bag that churns up the food. it contains gastric juice and hydrochloric acid. gastric juices contains an enzyme that digests protein. the acid kills germs
Answer:
Stomach
Explanation:Seems like what you are describing is the stomach. It's the first stage of digestion and uses pepsin an enzyme that digest protein. There's also stomach muscles that move the food around.
Answer:
stoumic
Explanation:
The almost pure cellulose obtained from the seed threads of Gossypium (cotton) is tough, fibrous, and completely insoluble in water. In contrast, glycogen obtained from muscle or liver disperses readily in hot water to make a turbid solution. Despite their markedly different physical properties, both substances are (14)-linked D-glucose polymers of comparable molecular weight. What structural features of these two polysaccharides underlie their different physical properties
Answer:
Cellulose is held by beta 1,4-glycosidic bonds making it linear while Glycogen is held by an alpha 1,4-glycosidic bond making it highly branched.
Explanation:
Cellulose and Glycogen are both carbohydrate polysaccharides formed from glucose monomers. According to the question, cellulose is a tough, fibrous, and insoluble (in water) polymer found to play a structural role in plants' cell wall while Glycogen is another polymer obtained from muscle or liver and disperses readily in hot water to make a turbid solution.
Although these two polysaccharides (cellulose and glycogen) are linked by (1, 4)-glycosidic bonds but the glucose monomers in CELLULOSE are linked by a beta 1,4-glycosidic, hence, making it a straight or linear polymer
GLYCOGEN, on the other hand, is linked by an alpha 1,4-glycosidic bond making it an highly branched polymer. This structure is responsible for the different physical properties of the two molecules.
What do viruses, animal cells, plant cells, and bacteria have in common
Answer:
They are alive.
Explanation: They are all part of a living organism.
Why do plants not have any special respiratory organs like animals? Give two reasons.
Answer:
Hmm.
Explanation:
'Plants do not have lungs or any respiratory orgasm in themselves so they don't need the process of respiration. Plants do not need a respiratory system because roots, stems, leaves of plants exchange gases for respiration separately. They don't have lungs to breathe so they don't need a respiratory system.'
Basically, plants don't need respiratory organs because they have roots, stems, and leaves, which they use to breathe.
Also, because they are plants. These are the same guys who take energy from the sun.