题目内容

Which acid is responsible for most karst topography?

A. Hydrochloric
B. Nitric
C. Sulfuric
D. Carbonic

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Water quality refers to such things as the temperature of the water, the amount of dissolved solids, and lack of toxic and biological pollutants.

Adverse effects can occur when discharge of groundwater exceeds recharge of the system.

A spring is an area on the surface of the Earth where the water table intersects the surface and water flows out of the ground, while a well is human-made hole that is dug or drilled deep enough to intersect the water table.

Permeability is a measure of the degree to which the pore spaces are interconnected, and the size of the interconnections.

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