The correct answer is indeed C.
(I just took the quiz and this was the correct answer)
Answer:
I would say A : Endemic Diseases can result in decreasing population numbers: many people die from diseases, and others move away from or avoid moving to places where diseases are rampant.
Explanation:
Usually people do not know when a new disease will form. some people try to avoid the places infected so they stay safe. BUt diseases can easily decrease a population.
Hope that helped lol
Answer:
click their picture and follow
Monongahela River, Ohio River, and Allegheny River.
