Question

Glaciers alter the landscape through erosion and the deposition of till. Till consists of unsorted mixtures of debris that have a large range in clasts size, in which some clasts are scratched or polished by glacial drag prior to deposition.

a. True
b. False

Answer 1

Answer:

a. True

Explanation:

• A glacial till is unconsolidated glacial sediment and is obtained from the erosion and transportation of material through the action of ice and the glacial is deposited at some distance.

• It later on forms terminal, medial and lateral moraines. As the glacier melts on land leaving pills of till in moraines and are polished before the deposition.