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Volcano vs. Man

Chemistry Level 1

Which produces more carbon dioxide (\(\ce{CO_2}\)) each year: human activity or volcanoes?

Human activity Volcanoes About the same

Excel in math and science

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It's hard to learn from lectures and videos

Learn more effectively through short, conceptual quizzes.

Our wiki is made for math and science

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including olympiad champions, researchers, and professionals.

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by Gabe Smith

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