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How a change in physical environment factor caused the extinction of dinosaurs

How a change in physical environment factor caused the extinction of dinosaurs-example-1
User EMBarbosa
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Answer: a change in physical environment such as a huge volcanic irruption could cause to much pollution in the for the dinosaurs to breath.

User Jason Leung
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Answer: one change is a

Step-by-step explanation:

User Altealice
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