Mercury and the Moon are probably the least-habitable bodies in the solar system because they
A) are unlikely to have liquids anywhere
B) have never had carbon compounds on their surfaces
C) do not have atmospheres containing oxygen
D) do not receive any sunlight

Question

Quizplus · Accepted Answer

Mercury and the Moon are both very hot during the day and very cold at night, with extreme temperature variations. This means that any liquids, such as water, are unlikely to exist for very long on their surfaces.

Mercury and the Moon Are Probably the Least-Habitable Bodies in the Solar