Limestone Is a Type of ________ Rock That Forms When

Multiple Choice

Limestone is a type of ________ rock that forms when ________.

A) igneous; magma cools
B) igneous; lava cools
C) sedimentary; calcium carbonate precipitates, or organic material containing calcium carbonate accumulates in a water environment
D) sedimentary; broken fragments of rock are deposited in a water environment and are then cemented together.