Answer:
C) It involves interactions between biotic and
abiotic factors.
Explanation:
Ecosystems need energy imput, need both consumers and producers, and can exist on land, lakes, rivers and oceans.
Answer:
When 2 slabs of continental lithosphere collide, it creates mountains.
Explanation:
Its b during how ever you say that word if not that then c not all the way sure tho
B Bits being blown off a rock by heavy winds
