Multiple Choice
Crater Lake in Oregon is an example of a lake depression caused by
A) displacement of the Earth's crust
B) glaciation
C) intentional digging by man to create a reservoir
D) volcanic activity
E) a meteor strike millions of years ago
Correct Answer:

Verified
Correct Answer:
Verified
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Q15: Humans have affected grasslands by<br>A) the introduction
Q16: Which of the following terms does not
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Q19: Match the biome or aquatic system listed
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