The Primary Reason That Rocks Accumulate on the Surfaces of Glaciers

question 1

Multiple Choice

The primary reason that rocks accumulate on the surfaces of glaciers near their toes is ____________.

• A) the slope failure (rocksliding, etc.) of nearby cliffs and mountains
• B) the incorporation of rock segments from the underlying sediment or rock surface
• C) the melting and sublimation of surficial ice downslope from the equilibrium line of a glacier
• D) volcanic eruption

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