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6 Cards in this Set
- Front
- Back
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the wearing away of rock or soil by wind, water, or ice
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erosion
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decaying plant and animal material in the ground
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humus
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wearing away of mountains
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weathering
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rocks formed when megma or lava cools and hardens
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igneous
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rocks formed from bits of rocks and other materials settle into layers and stick together
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sedimentary
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rocks formed from heat and pressure on other rocks
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metamorphic
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