A Rainbow Sometimes Occurs After a Storm Because the Droplets

Multiple Choice

A rainbow sometimes occurs after a storm because the droplets of water in the air refract and reflect rays of light from the sun. The angle of refraction is different for different wavelengths of light, and this accounts for the separation of colors in the rainbow.

A) Argument, conclusion: The droplets of water in the air ... light from the sun.
B) Argument, conclusion: The angle of refraction ... wavelengths of light.
C) Nonargument.
D) Argument, conclusion: A rainbow sometimes occurs after a storm.
E) Argument, conclusion: This accounts for the separation of colors in the rainbow.