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How do CO2 emissions from volcanoes and human activities compare? (Poll Closed)

1 Comment

  • Martha Sherwood - 7 years ago

    The answer to this question depends on the time frame, because the era of maximum fossil fuel burning coincides with a period of comparatively low volcanic activity. If you start, say, with 1950, I believe the answer is humans - if with 1500, volcanoes.

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