Based on the data, propose a hypothesis to explain the change in blood lactate levels in Weddell seals for dives lasting longer than 20 minutes.

i believe the answer is a or 1

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.