What is the lowest part of a wave called?

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Multiple Choice

What is the lowest part of a wave called?

Explanation:
In wave terminology, a transverse wave has high and low points as it moves up and down around its resting position. The highest point is the crest (also called the peak), and the lowest point is the trough. The amplitude is how far the wave moves from rest to crest or from rest to trough. Terms like valley or bottom aren’t standard for describing wave motion, so the correct word for the lowest part is trough.

In wave terminology, a transverse wave has high and low points as it moves up and down around its resting position. The highest point is the crest (also called the peak), and the lowest point is the trough. The amplitude is how far the wave moves from rest to crest or from rest to trough. Terms like valley or bottom aren’t standard for describing wave motion, so the correct word for the lowest part is trough.

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