Why do they have Leap Year? What is the purpose?
by 
Trisha Had her baby
ANSWERS: 3
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It's due to the irregular rotation of the earth around the sun every four years.
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because there are really almost 365 1/4 days in one year...therefore every 4 years (years that are divisible by 4) we make up for the lost 1/4 day..the almost part is corrected by not doing it once in 100 years...on years that end in 00..like 2000
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Because the Earth actually takes 365 1/4 days to revolve around the sun. So we use a leap year to get back in synch.
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