The rock and fossil record shows that

Question

A.
both gradual and sudden changes have occurred during Earth's history.
B.
the Earth has not changed very much over the course of its history.
C.
all of the changes during Earth's history have been slow and gradual.
D.
all of the changes during Earth's history have been very sudden.

Answer 1

The correct answer is:

A. both gradual and sudden changes have occurred during Earth's history.

This reflects the evidence from the rock and fossil record, which shows a combination of gradual evolution and sudden events, such as mass extinctions.