A leap year is a year that is divisible by 4, except for century years not divisible by 400. | Card: 6 / 26 |
The time taken by Earth to complete one revolution around the Sun — approximately 28 days. | Card: 10 / 26 |
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Subtract the earlier date from the later date and subtract 1 to exclude both start and end dates. | Card: 16 / 26 |






