Which of the following is a human and economic demand that is straining forests throughout the world? o need for oil
need for wetlands
O need for medicinal plants
o need for release of oxygen

I'm not too sure but I think it's the need for medical plants

I would have chosen the need for oil, but I can't think of the way oil affects plants

a- all cells come from pre-existing cells

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.