Weathering is
a. caused by the movement of materials over rocks
b. not a natural process
c. a process whereby rocks are broken down by direct contact with the atmosphere
d. all of the above

giant impact theory - the moon was formed from the collision between earth and another mars-sized body.

colliding planetesimals hypothesis - the moon was formed from the same cloud of material as earth.

capture hypothesis - the moon was locked into orbit by earths gravity as it was passing by it.

accretion hypothesis - the moon was formed from collisions and combining of planetesimals.

i think this is right, if not and you know better let me know.

because the early people found out about it.