Answer:
The Answer is A.
Explanation:
This is correct because evolution is a change in the inherited traits of a population over many generations. While natural selection is a mechanism where the members of a population best suited to their environment have the best chance of surviving to pass on their genes.
It is relative dating because no scientist can tell the actually time that the layers of rocks where formed or when the fossil began to degrade
I think the polymers are the hydrocarbons.
If this helped please mark me as brainliest.