Question

b) Define rotation and revolution.
What is a leap year?​

Answer 1

Answer:

The movement of the earth on its axis is known as rotation. ' Revolution. The movement of the earth around the sun in a fixed path or orbit is known as revolution. (c) The year in which Februaiy is of 29 days instead of 28 days is called a leap year. Thus a leap year is of 366 days instead of 365 days.

Answer 2

Explanation:

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