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Inga [223]
3 years ago
13

A Rift Valley is associated with ?

Biology
1 answer:
Nana76 [90]3 years ago
4 0
<span>rift valley is formed on a divergent plate boundary, a crustal extension, a spreading apart of the surface, which is subsequently further deepened by the forces of erosion. 
hope this helps please award brainly :)
</span>
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Cytotoxic T cells can attack target cells with which of these chemical weapons?
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Answer:

secrete a cytokine that triggers apoptosis

Explanation:

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3 years ago
What are two reasons for why a species might disappear from the fossil record?
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1. One reason is extinctions happen because of some kind of change in the environment where a life form lives. While some species can adapt to the changes, others die, and if enough die, the species becomes extinct. These are some of the biggest factors in the extinctions of particular species. 2. Contaminants in the environment, such as pesticides.

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Which of the following accurately describes the structure of DNA? A. DNA consists of four bases: A, G, C, and U. B. A always pai
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4 0
3 years ago
Read 2 more answers
8. Find the acceleration of ball A and Ball B
Taya2010 [7]

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5 0
3 years ago
How do decomposition and synthesis reactions work
Step2247 [10]

Answer:

Because those chemical reactions help the cell to dispose useless substance after they are used and synthetize substance they need or the body needs through them.

Explanation:

Hello.

In this case, since the overall processes inside the cell are constantly producing and getting rid of several substances such as nutrients, proteins, lipids and other, we can say that decomposition reactions serve as a mechanism that the cell uses in order to obtain energy or dispose a substance that is no longer important for it. Moreover, since the cell is the fundamental part wherein the most of the useful substances the body needs are synthetized, we can infer that synthesis reactions must occur in order to allow the body to perform lots of functions, for instance, proteins associated to the hair or nails growing are synthetized inside the cell via the protein synthesis mechanism.

Best regards.

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3 years ago
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