Question

define periods please​

Answer 1

Answer:

the interval of time between successive occurrences of the same state in an oscillatory or cyclic phenomenon, such as a mechanical vibration, an alternating current, a variable star, or an electromagnetic wave.

Explanation:

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Answer 2

Answer:

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HERE IS YOUR ANSWER ▶️

In female body of human ovary comes out with blood from the endometrium of uterus.This phenomenon is called periods.

Explanation:

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