Question

what happens in the northern hemisphere around march 22?
a vemal equinox
b autumnal equinox
c winter solstice
d summer solstice

Explanation:

The vernal equinox (spring equinox) occurs around March 20 - 22 in the Northern Hemisphere, marking the start of spring with nearly equal day and night. The autumnal equinox is around September, winter solstice around December, and summer solstice around June in the Northern Hemisphere. So the event around March 22 is the vernal equinox.

Answer:

a. vernal equinox