Question

why does the duration of day and night change in a year​

Answer 1

Answer:

Due to rotation of the earth

Hope it helps

Answer 2

Answer:

Uʀ ᴀɴsᴡᴇʀ ➪➪➪

Earth rotates on its axis; this causes us to experience day and night. But Earth's axis is tilted 23.5 degrees (the angle is measured between Earth's equatorial plane and the plane in which it orbits our Sun).✔︎

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