Question

the moon surface is covered in depressions called craters what caused most of these craters
A-activities of tectonic plates
B-weathering and erosion by wind and water
C-the impact of debris or meteoroids
D-the gradual cooling of the moon

Answer 1

the answer would be C "the impact of debris or meteoroids" 
the moon gets hammered with debris and actually protects us a bit from space debris