According to the National Park Service, air pollution affects scenic views in national parks more than ____ of the time.
A) 90%
B) 75%
C) 50%
D) 40%
E) 30%
Correct Answer:
Verified
Q33: Reconciliation ecology is the science of
A)protecting land
Q34: What country contains the highest concentration of
Q35: In general, marine biodiversity is greatest in
A)the
Q36: The reintroduction of wolves into the Yellowstone
Q37: Most of Madagascar's native species exist only
Q39: The term "ecological restoration" refers to
A)a destructive
Q40: The process of returning a degraded habitat
Q41: Forest fires are common natural occurrences in
Q42: Protecting watersheds is important to protecting freshwater
Q43: Forests cover less of the U.S. today
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