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The Moon was once part of the Earth and somehow separated from the Earth early in the history of the solar system. The present Pacific Ocean basin is the most popular site for the part of the Earth from which the Moon came. Possible since the Moon's composition resembles that of the Earth's mantle and a rapidly spinning Earth could have cast off the Moon from its outer layers. However, the present-day Earth-Moon system should contain "fossil evidence" of this rapid spin and it does not.</span></span>
Answer:
the cell membrane becomes depolarized.
Explanation:
Na+ moves in, K+ moves out.
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Answer:
B.
Explanation:
the sun is solar power which gives you natural energy
The exposure of certain types of radiation
