What are glacial striations?
A)dust formed by grinding rocks to clay-sized particles during glacial movement
B)grooves created by rocks scratching against bedrock at the base of a glacier
C)large,streamlined hills of till and bedrock that parallel the direction of ice movement
D)long,narrow,winding ridges of sand and gravel found in the middle of ground moraines

Question

Quizplus · Accepted Answer

Glacial striations are grooves or scratches cut into bedrock by the abrasive action of rocks and debris embedded in the moving glacier. As the glacier flows over the bedrock, these materials scrape against the surface, creating the striations.

What Are Glacial Striations