Smooth oval hills composed mainly of boulders or glacial sands and gravels are known as

Smooth oval hills composed mainly of boulders or glacial sands and gravels are known as
  • A.
    eskers
  • B.
    drumlins
  • C.
    moraines
  • D.
    aretes
  • E.
    pyramidal peaks
Correct Answer: Option B
Explanation
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