Afriend of yours tells you that they saw a tv special about a small fish with a large, gaping mouth with teeth that pointed backwards. you can rightly conclude that the fish your friend is talking about is:

It can rightly conclude that the fish the friend is talking about is mesopelagic.

Explanation:

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.