What is true about all adaptations?
A. They are harmful.
B. They are forgotten.
C. They are genetic.
D. They are learned.

I would think C, adaption

Explanation: adaption is like 3 people swimming in the ocean . If two people are better at swimming, then they have a better chance at survival than the other person.

Hence if the 3rd person died, and the other 2 people (theoretically) reproduced their offspring would have a better chance of survival in the ocean.

compost can be added to topsoil as a:

pesticide

the answer is b. glad to .