The image shows a representation of mountains of various
heights, numbered 1, 2, and 3. the plain is labeled number 4.
at which point is air pressure lowest?
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meteorologists would compare a new weather map with one 24 h old to see how fast a front is moving.

b tumor cells have a cell wall instead of a membrane

explanation:

tumor cells different from normal cells because tumor cells have a cell wall instead of a membrane.

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.