What type of glacial feature is a drumlin?

• A. An elongated hill formed by glacial movement
• B. A circular depression formed by melting ice
• C. A ridge formed by glacial till
• D. A flat plain composed of sediment

Answer: (A)

A drumlin is characterized as an elongated hill that is shaped by the movement of glaciers. This unique landform occurs as glaciers advance and sculpt the underlying sediment and rock, creating a streamlined hill that tapers in the direction of the glacier’s flow. The formation process of drumlins involves the deposition of glacial till, which is the unsorted debris that glaciers carry along with them.

Unlike other options, such as circular depressions or flat plains, a drumlin's defining feature is its elongated shape, which results from the dynamic nature of glacial activity. This makes option A the most accurate description of a drumlin, as it highlights both its form and the geological processes that created it.