Chemistry, asked by abhinna2656, 11 months ago

The appearance of Halley's comet once every 72 years is a periodic change ? why?

Answers

Answered by rudra2009

2

Answer:

due to rotational and revolution of both earth and hailey comet.

Explanation:

hope it helps

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Answered by rakhister80

8

Answer:

Periodic Change

Explanation:

Because it is fixed time for the appearance of Halleys Comet.

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