The vernal or spring equinox signals the beginning of spring. At this times of the year, the sun appears to be directly over Earth’s equator. How does this affect the day length during this time of year?
A) Day length is at its maximum.
B) Day length is at its minimum.
C) Day length equals night length.
D) There is no change in day length throughout the year.

The vernal equinox occurs on March 20 or March 21 each year and signals the start of spring in the Northern Hemisphere (and fall in the Southern Hemisphere). The Earth tilts at an angle of 23.5 degrees on its axis relative to its plane of orbit around the sun. My source is history.com A, i think

Explanation:

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one negative thing it that it can kill water animals. another negative thing is it can cause the destruction of ecosystem. one way water pollution can be reduced is to conserve energy.