Which of the following statements about evolution is correct?

1. Evolution occurs due to variation.
2. The variations in a population occur due to mutation?
3. The variations in a population occur due to natural selection.
O All of the choices

ya the other dude is right

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.