rock which does not allow water to pass through it
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Type: Glossary
the total number of people living in an area divided by the total area of land they live on
Type: Glossary
an area where underground water is stored in a permeable layer of rock that lies between two...
Type: Glossary
a borehole that is sunk into the permeable strata of an artesian basin to access underground...
Type: Glossary
pressure exerted by the mass of the atmosphere; the weight of the atmosphere on Earth's surface...