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notsponge [240]
3 years ago
5

1.

Biology
1 answer:
Leto [7]3 years ago
3 0
1. Sustainable 2. Environmental
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When neurons "fire," the first thing that happens is that sodium ions enter the cell. this does not require an input of energy.
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Answer;

One can infer that membrane transport proteins are required in order for neurons to fire.

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What were forensic scientists in the U.K. able to learn through isotopic analysis?
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The contracting and relaxing of the heart is known as the?
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