Answer:
2.
Explanation:
Rhythm can be defined as a strong musical notes of sound used in music, dance, poetry, etc. In simple words, rhythm is an alteration of weak and strong musical notes.
A rhythm is not just an aspect of music but poetry, dance and even the words we speak. The words have stresses and unstressed syllables that creates a rhythm.
From the given options, the correct one is option 2.
A rhythm is a systematic movement of weak and strong pitch.