Which is a long,narrow,sinuous ridge of stratified sand and gravel located in a till plain?

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An esker is a long, narrow, and sinuous ridge of stratified sand and gravel that formed within or on top of a glacier. It is located in a till plain and was formed by the deposition of sediment by meltwater streams that flowed beneath or within the ice. Drumlin is an elongated hill of glacial till that is shaped like an inverted spoon, Kame is a small hill or mound of sand and gravel that formed by meltwater deposits, and Kettle is a bowl-shaped depression that formed when a block of ice was left behind by a receding glacier and subsequently melted. None of these landforms fit the description of a long, narrow, and sinuous ridge of stratified sand and gravel located in a till plain.

Which Is a Long,narrow,sinuous Ridge of Stratified Sand and Gravel