Multiple Choice
Gray wolves disappeared from Yellowstone National Park because ____.
A) their habitat has severely degraded
B) of a series of devastating crown fires
C) elk were overhunted by humans
D) they were killed by humans
E) a virus wiped out the population
Correct Answer:

Verified
Correct Answer:
Verified
Q10: Through photosynthesis, forests remove CO<sub>2</sub>from the atmosphere
Q16: Water evaporating from trees and vegetation in
Q39: Tropical forests in the Amazon and other
Q40: _ is the most efficient and sometimes
Q42: What negative consequence has the Smokey Bear
Q43: Forest fires cause the germination of seeds
Q44: The Wilderness Act passed in 1964 allows
Q50: _ is the temporary or permanent removal
Q56: One way to help sustain terrestrial biodiversity
Q60: Ocean acidification is the result of _.<br>A)