_____ have played a major role in altering Earth's atmospheric composition over time.
A. Tsunamis
B. Volcanoes
C. Hurricanes
D. Earthquakes
Volcanoes have played a major role in altering Earth's atmospheric composition over time.
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Asked 1/25/2016 3:27:16 PM
Updated 1/25/2016 3:48:07 PM
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