As the night progresses, the amplitude of a sleeper's brainwaves _, and the frequency of the waves _.

1 answer:

7 0

I think the correct answer would be D. The brain waves changes from stage 1 to stage 2 as a person sleeps in a way that these waves become slower. That is, the amplitude would decrease since less activity is done and the frequency would decrease as well since less wave passes per second.

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Explanation:

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As the night progresses, the amplitude of a sleeper's brainwaves _____, and the frequency of the waves _____.

As the night progresses, the amplitude of a sleeper's brainwaves _, and the frequency of the waves _.