Answer: Ask your teacher for some help
Explanation: if anything can help us your teacher
We all know what it houses.
We use a dichotomous key to figure out what kinds of organisms were related to in the past. i'm not ver confident in explaining how it works so you might want to look online.
The answer is simple Protein Synthesis
I believe that the answer would be the impact theory as it is a theory that states that because the moon is of similar composition to the Earth, that it was created by some sort of impact, hence the name of the theory.