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weathering breaking down of rock
mechanical weathering Mechanical weathering takes place when rocks are broken down without any change in the chemical nature of the rocks.
chemical weathering Chemical reactions break down the bonds holding the rocks together, causing them to fall apart, forming smaller and smaller pieces.
soil the fertile, outermost layer of Earth's crust; composed of bits of rocks and minerals mixed with decomposing plant and animal material
organic matter naturally occurring substances created by an organism's body processes
erosion the removal of weathered rock material. After rocks have been broken down, the small particles are transported to other locations by wind, water, ice, and gravity.
roots a plant organ that takes in water and nutrients from the soil
topography the physical features which define the relief of a landscape, such as mountains, valleys, and the shapes of landforms
deposit an amount of rock or soil that has been laid down in an area; to drop
Created by: LovelyyBRJ
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