<span>Erosion by rivers is a main valley-forming
process; other processes, such as movement of the earth's crust and
glaciers, also have an important part in some cases. The rate at which a
river deepens its valley depends on several factors.</span>
Answer:
the concept that best represents the situation described here is: Thermal runaway or positive feedback. Higher atmospheric temperatures cause glaciers
Explanation:
Answer:
D
Explanation:
Well it is kind of hard to explain but just trust me ik what I am talking about❤
B. outer core
is correct, i took the test.
