One of the best ways to distinguish how much genetic and environmental factors affect behavior is to compare children who have the same genes but different environments. similar genes and environments. the same genes and environments. different genes and environments.

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.