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Evaluate .
Groundwater
Water that is found underground in the cracks and spaces in soil, sand, and rocks, forming aquifers.
Cement
A powdery substance made by calcining lime and clay, mixed with water to form mortar or mixed with sand, gravel, and water to make concrete.
Permeability
The ability of a material, especially soil or rock, to allow fluids to pass through it via an interconnected network of pores.
Porosity
A measure of how much of a rock is open space, which can hold fluids such as water, oil, or gas.
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