Answer:
A.The Earth's revolution causes day and night
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Explanation:
The Earth's revolution causes day and night.
It is the movement of earth as a planet around the Sun.
This movement by earth is completed in 24hours and it is done in a fixed way which give rise to day and night.
Therefore,earth revolution causes day and night.
Learn more on earth revolution here,
https://brainly.com/question/24401676