The Blue-Green Appearance of Uranus Is Caused By

The blue-green appearance of Uranus is caused by:

A) the atmosphere of methane gas, which preferentially absorbs the red parts of the solar spectrum.
B) the reflection of blue light by the ice crystals on the planet's surface and in its atmosphere.
C) the color of the surface of the planet.
D) scattering of light from the dust in the thick atmosphere.