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| earth's surface is divided into several large plates which move |
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| process of moving rocky material or sediment to another place |
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| horizontal ridges farmers build on steep hillsides for farming |
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| shape, height, arrangement of landforms in a certain place |
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| can be replaced by natural processes, such as soil and forests |
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| non-renewable resources of petroleum, coal, and natural gas |
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| non-renewable resource that includes metals, rocks, and salts |
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| cannot be replaced naturally after being used |
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| heat from the Earth's interior - a clean source of power |
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| renewable resource that doesn't pollute, but leaves deadly waste material |
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| production of electricity by waterpower |
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| the large area of water that covers seventy percent of the earth's surface |
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| any smaller river that flows into a larger river |
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| created when a river floods its banks and deposits sediment |
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| forms were a river carries sediment all the way to the ocean |
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| air pollution combined with moisture |
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| process of breaking down landforms and creating new ones |
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| when plates collide, one goes under the other |
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| fractured surface in Earth's crust where a mass of rock is in motion |
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| circulation of water from Earth's surface to the atmosphere and back |
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| condition of the atmosphere at a certain time and place |
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| weather conditions in a certain area over a long period of time |
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| dry area on the side of a mountain opposite the wind |
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