please help me with chemistry gas laws

Question

Why do astronauts have to wear protective suits when they are on the surface of the moon? (Select all that apply.)

A. The temperatures are too cold, or too hot, to sustain life for long; and there is no oxygen to breathe.

B. The atmosperic pressure on the moon is too low, their cells would all rupture and release gasses, killing them.

C. A and B are both correct.

Answer 1

C: temperatures are too extreme, and there is negligible atmosphere.