Which of the following is not part of the cell theory? A. All organisms are composed of one or more cells.

B. Cells are the basic unit of life for all living things.

C. All cells come from pre-existing cells.

D. All cells contain a nucleus.

the answer is D. All cells contain a nucleus

c. establishing proper sleep hygiene

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.