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svp [43]
2 years ago
14

How do nitrate levels affect the health of a water system?

Biology
1 answer:
Shkiper50 [21]2 years ago
8 0
It doesn’t have a effect on aquatic insects or fish. But it can create conditions that make aquatic insects/fish difficult for them to survive.
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Lipids contain long chains of which two atoms
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Which structure is at work when the body deals with reflex actions?
Ne4ueva [31]

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spinal cord

Explanation:

Reflex actions are the involuntary action of the body in response to a signal or stimulus. The reflex action of body is controlled by spinal cord.

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Hence, the correct option is spinal cord.

 

5 0
3 years ago
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