Fossil, the remains or traces of an animal or plant from millions of years ago, preserved as rock, Non-renewable resource, any resource that will not or cannot be replenished naturally over time, Renewable resource, any resource that can or will be replenished naturally over time, Weathering, the various chemical and physical processes that cause exposed rock to decompose, Erosion, the gradual wearing away of a substance by water or wind, Deposition, weathered and eroded material is moved and dropped in a new location, Landform, a natural feature on the surface of the earth.

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