Is that the whole question please be more specific
coastal deposition seems to be correct answer.
sorry if i'm wrong.
D abiotic means its not in biology
Natural? I know that it has 4 factors -<span>Variation. Organisms (within populations) exhibit individual variation in appearance and behavior. ... <span>Inheritance. Some traits are consistently passed on from parent to offspring. ... </span><span>High rate of population growth. ... </span><span>Differential survival and reproduction.</span></span>