Rhythm is the element of in music A. time
B. sound
c. Dynamics
d. melody ​

Answer is A.Time

Explanation:

Rhythm is the element of "TIME" in music. When you tap your foot to the music, you are "keeping the beat" or following the structural rhythmic pulse of the music. There are several important aspects of rhythm: DURATION: how long a sound (or silence) lasts.

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