Crater Lake in Oregon formed in one of these.

A. Lava plateau
B. Fumerole
C. Caldera


Answer: C

Environmental & Atmospheric Sciences

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a. ?in the stratosphere b. ?in the troposphere c. ?in the mesosphere d. ?with precipitation e. ?with ice

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Which of the following occurs in retroviruses?

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How do sedimentary cores from the ocean floor support the concept of seafloor spreading?

What will be an ideal response?

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