I don't know exactly what you mean but the size of a group affects its defense because there is a larger group. Therefore, more people would be protecting it, adding more to its defense.
Answer:
This Would be B
Explanation:
Oxidation is something that dissolves rock.
A recessive trait inheritance could be more prevalent in a population than the dominant because mutation could occur because the mating does not have a wide variation causing a lethal gene or an autosomal sex link to be easily passed on the offspring
The answer is A. Reproductive Disruption
Un what's even the question so that I can help you get the answer???