Examlex
A fan works to cool a person because the breeze makes each gram of water that evaporates carry off more heat than without the fan.
Karst Topography
A landscape formed from the dissolution of soluble rocks such as limestone, characterized by underground drainage systems and sinkholes.
Sinkhole
A depression or hole in the ground caused by the collapse of a surface layer, often due to the dissolution of the underlying limestone, volcanic activity, or water drainage.
Stalactite
A type of speleothem that hangs from the ceiling of limestone caves, formed by the precipitation of minerals from water dripping down.
Calcium Carbonate
A chemical compound with the formula CaCO3, found in rocks such as limestone, and is the main component of shells of marine organisms, snails, and eggs.
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