Respuesta :

Crest is that point of the wave which has maximum positive amplitude. Therefore, C represents the crest. Trough is that point of the wave which has maximum negative amplitude. The distance between successive crests or troughs is said to be wavelength. Therefore, A represents the wavelength. B represents trough.

On the earthquake chart, the letter which represented the crest of a wave is C.

What is a Crest?

Crest refers to a point of the wave which has maximum positive amplitude.

Thus, the letter which represented the crest of a wave is C because its it where the quake energy have the maximum positive amplitude.

Therefore, the Option C is correct

Read more about Crest

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