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Biology, 30.07.2019 00:20 bellamyciana
An enormous rifting occurred, causing massive floods of basaltic lavas and the release of large amounts of gas. this is thought to have been the cause of which mass extinction?
1) cretaceous-tertiary
2) end triassic
3) permian-triassic
4) late devonian
5) ordovician-silurian
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