jdogaming03
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Dinosaurs died off during a mass extinction because _____.
A. they were hit by a giant asteroid
B. the ocean level rose and they drowned
C. a climate change caused plants to die
D. volcanic eruptions engulfed them in lava flows

Answer :

Answer:

The answer is A.

Explanation:

The answer is A. Scientists now studying from approximately 66 million years ago in the prehistoric era say that all of the dinosaurs died when the colossal asteroid impacted all of them. This is what started the cretaceous era.

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