Which of the following rock types requires dissolved gas in the magma?

A. pumice
B. granite
C. andesite
D. gabbro
E. diorite


Answer: A

Environmental & Atmospheric Sciences

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Which atmospheric gas is responsible for the largest percentage of the greenhouse effect?

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The North Pacific is a common source region for ____________________ ____________________ air masses

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Which of the following best describes the effect of convective flow on the elevation of Earth's major landforms?

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Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences