What was the Cambrian explosion?A. a large volcano that

Chapter , Problem 62MCQ

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Problem 62MCQ

What was the Cambrian explosion?

A. a large volcano that went off in Wales, which the Romans called Cambria

B. a meteorite impact that struck the north coast of the Yucatan Peninsula of Mexico

C. a time when a meteorite collided with the center of a supercontinent, melting all the glaciers

D. a time when many different types of creatures appeared on Earth

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