Sunsets are red because A) the Sun itself is red. B) red light ...

[jazziefee]

Sunsets are red because
 A) the Sun itself is red.
  B) red light is scattered less than blue light by the atmosphere.
  C) red light reflects best off the bottoms of clouds.
  D) dust particles are excited by incoming solar radiation, and when the Earth begins to cool after sunset they emit red light.
  E) the atmosphere is thinnest nearest the Earth's surface.

Question 2

The sky is blue because
 A) the molecules in the atmosphere absorb all visible light except blue.
  B) the molecules in the atmosphere reflect all visible light except blue.
  C) the atmosphere scatters blue light more than other colors of light.
  D) blue light is refracted less than red light.
  E) blue light is the predominant form of radiant energy hitting the top of the atmosphere.

[verrinzo]

Answer to Question 1

B

Answer to Question 2

C