Atestable hypothesis could be formed from which question?
o are bass more active in the daytime than at night?
when whales jump out of water, are they happy?
o are red tulips prettier than tulips of other colors?
o why are gerbils more popular as pets than hamsters are?

not sure if this what   you'r looking for would be percent composition

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.