Answer:
D. the tendency of a cell to maintain a stable internal environment
Explanation:
Answer:
I think the answer is B, Rivers. Mountain ranges don't really help the environment much as can mostly only change the climate.
Answer:
The answer is D. Mechanical Energy to Chemical Energy
Explanation:
A prime mover is a muscle whose contraction is chiefly responsible for producing a particular movement. The muscles act on major joints within our bodies. Some more familiar ones are your biceps, triceps, and hamstrings.