Days when the Sun’s light hits both hemispheres equally are called

Days when the Sun’s light hits both hemispheres equally are called equinoxes.

Explanation:

These are the moments when the Sun is exactly above the equator. These days are called equinoxes because the night and day are nearly the same lengths – 12 hours – all over the world ("equinox," comes from Latin, meaning "equal night).

answer: pizza

explanation:

81 is a composite number.