The presence of limestone deposits has led to the development of a significant _____ industry in Andhra Pradesh.

The correct answer is: a) Cement.

Limestone is a sedimentary rock composed mainly of calcium carbonate (CaCO3). It is the main raw material used in the production of cement. Cement is a binding agent that is used to hold together aggregates (sand, gravel, crushed stone) to form concrete. Concrete is one of the most widely used building materials in the world.

The presence of limestone deposits has led to the development of a significant cement industry in Andhra Pradesh. The state is home to several

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