contestada

Dissolution and precipitation of _______ are the main processes that form limestone caves?
A. calcite
B. sandstone
C. clay
D. salt water

Respuesta :

The answer is A. Calcite. Limestone is a rock that is mostly composed of the mineral calcite and aragonite. Sometimes, limestone is formed purely by the precipitation of calcite. Calcite can be precipitated or dissolved by groundwater onto the surface of rocks to form a mineral coating.