Question

why do season change

Answer 1

hi buddy, 
Seasons change due to the revolution of earth.
The Earth is a sphere but because it is a bit tilted the northern hemisphere and the southern hemisphere have different seasons during the same time.

hope this helps :)  

Answer 2

Heya friend ☺
This is your answer-

Seasons are change due to revolution of the earth on its orbit from west to east.


Thanks
Hope it will help you