Which of these statements about cancer is false? malignant cells contain oncogenes that affect cell growth, differentiation, or division secondary tumors are metabolically active and can stimulate the growth of blood vessels into the area cells in a malignant tumor maintain normal controls over their activities and locations cancer is a disease characterized by malignant cells, which often change shape and size?

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.