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Home Q & A Board Science-Related Homework Help Physics Astronomy
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hermiz hermiz
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6 years ago
Which of the following are possible causes for mass extinctions on Earth?
A) episodes of widespread volcanism
B) impacts of asteroids
C) snowball Earth episodes
D) all of these can be responsible for mass extinctions
Textbook 
Life in the Universe

Life in the Universe


Edition: 4th
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Life in the Universe, 4/E (Bennett, Shostak)
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DonskoyDonskoy
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6 years ago
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