Question

what is limestone????​

Answer 1

Answer:

Limestone is a sedimentary rock made of calcium carbonate (CaCO3), usually in the form of calcite or aragonite. It may contain considerable amounts of magnesium carbonate (dolomite) as well. However, minor constituents of clay, iron carbonate, feldspar, pyrite, and quartz is also commonly present

Answer 2

Answer:

a type of a hard white sedimentary rock which is used in making building .

Step-by-step explanation:

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