What evidence is indicative that glaciers once existed in an area?
A) glacial till deposits
B) horizontally aligned sediment deposits
C) striations scratched in outcrops
D) both A and C

Question

Quizplus · Accepted Answer

Glacial till deposits and striations scratched in outcrops are both evidence of past glacier activity. Horizontally aligned sediment deposits are not necessarily indicative of glaciers as they could be formed by other natural processes such as water flow.

What Evidence Is Indicative That Glaciers Once Existed in an Area