Question

Explain why the earth has day and night

Answer 1

$answer$

Due to rotation of earth , Day and hight happen .

The part of earth where sunlight goes is considered as day and the rest part is black which is considered as night.

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Answer 2

$answer$

It's due to rotation of earth . The part of earth that is in range of sunlight is considered as day and the part that is not in reach of sunlight is considered as night..