Answer:
Biological Anthropologist
Explanation:
Biological Anthropologist studies human evolution, variation and adaptation in relation to changes in the environment
Well let's take Sedimentary rock for example, The Law of Superposition which measures the average age of Sedimentary rocks using rocks around it. So you would use that rocks below it are older and that Extrusions and Intrusions are younger than the rocks which are stable.
The vacuole i believe is the answer
NADH and FADH2 are used in the next step of the aerobic respiration(electron transport chain) for their electrons, the energy they store in the electrons to be precise