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The process by which rock materials are broken down by the action of physical and chemical processes.
The process by which softer, less weather resistant rocks wear away and leave harder, more weather resistant rocks behind.
A chemical change in which a substance combines with oxygen, as when iron oxidizes, forming rust.
A loose mixture of rock fragment, organic material, water, and air that cam support the growth of vegetation.
The removal of substances that can be dissolved from rock, ore, or layers of soil due to the passing of water.
The process by which wind, water, ice, or gravity transport soil and sediment from one location to another.
A method to maintain the fertility of the soil by protecting the soil from erosion and nutrient loss.
The continuous movement of water from the ocean to the atmosphere to the land and back to the ocean.
A fan-shaped mass of material deposited by a stream when the slope of the land decreases sharply.
An area along a river that forms from sediments deposited when the river overflows its banks.
The ability of a rock or sediment to let fluids pass through its open spaces, or pores.
Pollution that comes from many sources rather than from a single, specific site.
Sewage Treatment Plant
A facility that cleans the waste materials found in water that comes from sewers or drains.
A tank that separates solid waste from liquids and that has bacteria that break down the solid waste.
The movement of sand or other sediments by short jumps and bounces that is caused by wind or water.
The grinding and wearing away of rock surfaces through the mechanical action of other rock or sand particles.
A glacial deposit that has been sorted and layered by the action of streams or meltwater.
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