18. Some groups of organisms work together to stay safe or to take down prey. What do we
call this?

surface mining destroys mountain tops, landscapes, forests and wildlife habitats. on top of that, it leads to soil erosion and destruction of agricultural land. the landscape changes can also disrupt river channels and streams, which leads to flooding. which, can destroy plant life and other animals as well.

explanation:

the answer is 100% density i've answered this question before and done the quiz myself.

yes, because even though a theory has a  lot of evidence to support it, it is not always true