Question

How does the extinction of a species affect humans ?

A. Extinction contributes to the loss is natural food sources.
B. Extinction generates new sources of medicine
C. Extinction helps keep air and water clean
D. Extinction makes the environment more pleasant

Answer 1

A is the answer I believe

Answer 2

A because that animal is something else’s food then that animal decreases on number which means the other animal decrease in number and so on until it gets to the human population