The Material from Which Stalactites and Other Cave Formations Develop

Multiple Choice

The material from which stalactites and other cave formations develop is derived from

A) halite that was dissolved from the overlying rock as groundwater flowed through it and then precipitated when the water evaporated.
B) various types of gases in the cave,which sublimate to form a solid.
C) calcite that was dissolved from the overlying rock as groundwater flowed through it and then precipitated when the water evaporated.
D) calcite that sublimates from air trapped within the cave when temperatures fall below a certain level-about -10°C.
E) phosphates that were carried into the cave by groundwater and then precipitated as the groundwater evaporated.