The length of Earth's year at the present time
A) is exactly 365 days.
B) varies between 365 and 366 days over a period of about 400 years.
C) is slightly smaller than 365 days.
D) is slightly larger than 365 days.

Question

Quizplus · Accepted Answer

The length of Earth's year is slightly larger than 365 days, which is why we have leap years every four years to add an extra day and keep our calendar in alignment with Earth's orbit around the Sun.

The Length of Earth's Year at the Present Time