a. surface wave
b. longitudinal wave
c. transverse wave


A Surface Wave B Longitudinal Wave C Transverse Wave class=

Answer :

Answer:

b. longitudinal wave

Explanation:

noun Physics.

a wave in which the direction of displacement is the same as the direction of propagation, as a sound wave.

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Answer:

Longitudinal

Explanation:

because the distance between molecules are compressing and expanding