Which of the following definitions correctly describes letter C in the diagram above? A: The gently sloping area of a continent covered by ocean water
B: The true ocean floor that has a flat, smooth surface
C: The area where the continent ends and the ocean floor begins
D: The steep slope down to the ocean floor

glacial erosion, the picking up and movement of earth beneath a glacier, is also referred to as plucking. erosion and transportation of individual pieces of bedrock, especially large "joint block occur as a result of this glacial erosion. plucking is type of erosion in which rocks become frozen into the bottom and sides of the glacier.as the glacier moves downhill it 'plucks' the rocks frozen into the glacier from the ground.