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## Answers

The Brainliest Answer!

The earth's revolution takes 365 days. After dividing it equally amongst 12 months it was found that 6 hours were still remaining. So every 4 years, the extra 6 hours multiply up to become 24 hours and add a day (6 multiplied with 2 equal to 24). And because February only had 28 days, it has 29 days every four years.