Secondary rainbows occur when ____

a. ?two internal reflections of light occur in raindrops.
b. ?light refracts through ice crystals.
c. ?a single internal reflection of light occurs in raindrops.
d. ?light refracts through a cloud of large raindrops.
e. ?the Sun disappears behind a cloud and then reappears.


ANSWER: a

Environmental & Atmospheric Sciences

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