Although caves and karst landscapes often serve as a destination for fourth grade field trips, they certainly have direct relevance to the 1.5 billion people who live in karst regions — many of whom rely on karst aquifers for drinking water.
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Although caves and karst landscapes often serve as a destination for fourth grade field trips, they certainly have direct relevance to the 1.5 billion people who live in karst regions — many of whom rely on karst aquifers for drinking water.
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