What are the possible causes of digestive system disorders like diarrhea and constipation? .
a- a disorder in excretion of water by the large intestine.
b-a disorder in absorption of water by the large intestine.
c-a disorder in release of digestive enzymes by the large intestine

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.