The sky is usually the deepest blue
A)just before a rainstorm.
B)during a rainstorm.
C)just after a rainstorm.
D)just before sunset.
E)when the air is humid.

Question

Quizplus · Accepted Answer

The sky is usually the deepest blue just after a rainstorm because the rain washes pollutants and particles out of the air, leaving it cleaner and allowing the true blue color of the sky to come through more vividly.

The Sky Is Usually the Deepest Blue