A it helps them classify stars because it groups based on temperature and brightness.
Which in turn leads to movement in the crust
Answer:
D
Explanation:
These are all steps of translation or protein synthesis
Answer:
C.
Explanation:
Nitrogen fixation is a process by which molecular nitrogen in the air is converted into ammonia or related nitrogenous compounds in soil. Atmospheric nitrogen is molecular dinitrogen, a relatively nonreactive molecule that is metabolically useless to all but a few microorganisms.