Supply deoxygenated blood from lower part of the body arrowright supply oxygenated blood to rest of the body excluding lungs arrow right supply oxygenated blood to cardiac muscles arrow right supply detox generated blood from upper part of the body

not only is it colder, it also becomes darker, less salty, and more dense.

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.