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10 cards from this deck
Sharp decrease in plant and animal life on Earth
Five (the Big Five)
Permian-Triassic (90% marine, 70% land species)
Cretaceous-Paleogene (65 million years ago)
140,000 species per year
Human activities (hunting, habitat destruction)
Massive asteroid collisions with Earth cause extinctions
Massive volcanic eruptions cause climate change extinctions
600-km crater in India (65 million years ago)
Late Devonian (20 million years)
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