Answer:
Genetic variation is the difference in DNA among individuals or the differences between populations. There are multiple sources of genetic variation, including mutation and genetic recombination.
Explanation:
I think it’s number 2 but I could be wrong, I know 1,3, and maybe 4 are in living things
Answer:
water is an example of a renewable resource
Explanation:
this is because water is always present in the environment and will not run out in comparision to coal, oil and gas.
So dark linen thread structure is chromosome that we see. And and by molecule heritage that we contain.