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A student stands at the edge of a cli? andthrows a stone horizontally over the edge witha speed of 23.8 m/s. The cli? is 52.2 m abovea ?at, horizontal beach.The acceleration of gravity is 9.8 m/s2.
The ozone layer helps to sustain terrestrial life by __________.
deconstructive forces such as erosion helps to build up the earth’s surface.
