Day and night are caused by the Earth’s . A.
biosphere
B.
rotation
C.
revolution
D.
atmosphere

Explanation:

Day and night are caused by the Earth’s rotation.

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B

Explanation:

This is because the earth rotates around the sun, causing day light at certain part of the earth which is referred to as day and causing the other part of the earth to be dark which is referred to as night. In other words the earth is round, and it can not always have it surface day light at a time nor it surface night time at a given time. so part of it will be dark and another light leading to day and night.

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answer; calendar;