Question

D. Answer the following questions in brief.
1. What is rotation? How much time does earth take in completing one rotation?
2. What is meant by the revolution of the earth?
3. What is a leap year?
4. What is an equinox? Which seasons are indicated by it in both the hemispheres?
5. Why does the duration of day and night change in a year?​

Answer 1

Answer:

rotation means that the earth rotate around the sun

the earth takes 24 hours to rotate around the sun

Answer 2

Answer:

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