Respuesta :

meltonnoxie

Answer:

Because we are not perfect

Explanation:

This day is added to the calendar as a corrective measure, because the Earth does not orbit the sun in precisely 365 days.
There is a leap year every four years because it helps synchronize our human made calendars to the Earth’s actual orbit around the sun. The earth does not exactly complete an orbit around the sun every 365 days, but approximately 365.25 days.

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