Observe the following wave. Which letter represents the amplitude of the wave?

a wave shows a line, labeled A, drawn between the two highest points of the wave and the two lowest points of the wave. A line labeled B, from midpoint of the wave to the top of the wave and from midpoint of the wave to the bottom of the wave.

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Kemor
Given the options here, B best describes the amplitude of a wave. 
Amplitude of a wave runs from the peak or crest (highest value of a wave) to the trough (the lowest value of a wave). It basically a value from the maximum to minimum height of a wave.

Answer:

B

Explanation:

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