Plz help with this easy qustion and explain

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.

the answer is c a tornado

her next move would be to use agarose gel electrophoresis to separate the dna molecules of varying length and create a dna fingerprint.