I’n pretty sure the answer is supposed to be about the tectonic plates. The plates constantly shift the land creating holes/dips in the earth and mountains in other places.
Biotic factors include plants, animals, fungi, algae, and bacteria so the only answer would be invasive species
False a watershed is an area of land that contains a common set of streams and rivers that all drain into a single larger body of water
Answer:
contraction and relaxation of the heart
Explanation:
