The presence of which of the following geological features provides the best evidence that glaciers once covered an area? *
A. wide riverbeds
B. U-shaped valleys
C. underground caves
D. groundwater springs

Question

The presence of which of the following geological features provides the best evidence that glaciers once covered an area? *
 A.	 wide riverbeds
 B.	 U-shaped valleys
 C.	 underground caves
 D.	 groundwater springs

anonymous · Answer

Well, a glacier would create a U-shaped valley.  So I think that's pretty sound evidence.

wolfe8 · Answer

I fear this was a test https://adobeformscentral.com/?f=BdCCRIb5dJo8yzgEpy*HXw

anonymous · Answer

tsk tsk

anonymous · Answer

thats not my test. we have a monthly science review quiz in which we can use all outside sources. But it is similar @wolfe8 and @KinzaN