madiemartin madiemartin

29-06-2017
Advanced Placement (AP)

contestada

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

a. increases; decreases
b. decreases; increases
c. increases; increases
d. decreases; decreases

Respuesta :

Аноним Аноним

12-07-2017

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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