Question

what cause leap year​

Answer 1

Answer:

a leap year is caused because the earth takes 364¼ days to complete a revolution around the sun and after every four year a day is added ¼+¼+¼+¼

Explanation:

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Answer 2

Answer:

we have leap year every four years because the earth does not revolve around the sun in even number of days

the earth needs 365.25 days to go around the sun tha that extra quarter or one fourth day added up for time means that we need to add a day to the yearly calendar every four years