Answer:
The answer is letter C.
For most of earth's history, there has been no polar ice caps.
Explanation:
Here are the options
A) The polar ice caps are a permanent feature on Earth.
B) With brief exceptions, there have always been polar ice caps.
C) For most of Earth's history, there has been no polar ice caps.
D) The present epoch is the first in Earth's history to have ice caps.
I just took the test and got it correct
