Question

Why is an extra day added to the calendar every 4 years? A. Earth's day is actually less than 24 hours long. B. Earth's day is actually more than 24 hours long. C. Earth's year is actually less than 365 days long. D. Earth's year is actually more than 365 days long. Halpp pwease! :>

Answer 1

Step-by-step explanation:

Earth's year is actually more than 365 days long. It is 365.25 days long. The .25 results in an extra day after four years