Multiple choice

The narrow sinuous ridges composed of marines

  1. Eskers

  2. Peninsula

  3. Estuary

  4. Hamadas

  5. Aquifer

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A Correct answer
Explanation

Eskers are long, narrow, sinuous ridges composed of sand and gravel deposited by meltwater streams flowing within glaciers. They form distinctive winding hills that mark the paths of subglacial rivers during ice sheet retreat.