Which correctly relate dark matter and dark energy to the Big Bang theory? Select the two correct answers. A. Through dark energy, the universe is expanding at a faster and faster rate.
B. Because of dark matter, gravitational interactions cause galaxies to develop.
C. Dark energy is the source of 25 percent of the mass of the universe.
D. Without dark energy, structures in the early universe would never have developed.

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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.