The role is to build up water with its dam to create a lake thus creating parts of the ecosystem it is also food for some animals.
Selective logging—the practice of removing one or two trees and leaving the rest intact—is often considered a sustainable alternative to clear-cutting, in which a large swath of forest is cut down, leaving little behind except wood debris and a denuded landscape
Answer:
its blurry but based on what i see the second one
Explanation:
7. b and 8. c i attached the photo for u to see how i did it
