Geography • Physical GeographyMedium
Which of the following depositional glacial landforms consists of long, winding ridges of stratified sand and gravel formed by meltwater streams flowing in or under glacial ice?
A. Drumlin
B. Esker✓ Correct Answer
C. Moraine
D. Kame
💡 Solution & Explanation
Eskers are long, meandering ridges composed of stratified sand and gravel deposited by meltwater streams flowing within glacial tunnels. Drumlins are asymmetrical hills of glacial till, whereas moraines consist of unsorted debris dropped directly by melting ice sheets. These depositional features provide vital geological evidence regarding past glacial retreats and ice sheet dynamics.
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