The Extinction of the Dinosaurs Has Been Associated with

question 18

Multiple Choice

The extinction of the dinosaurs has been associated with

• A) a virus leading to disease and massive loss of life.
• B) dinosaurs preying upon each other until they became extinct.
• C) a meteor impact at the end of the Cretaceous era that caused major cooling.
• D) new chemicals and ions in the environment which caused dinosaurs to become sterile.
• E) mammals who were more adapted and more able to acquire similar resources.

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