The correct answer is: a) Barytes.
Andhra Pradesh is a leading producer of barytes in India. Barytes is a heavy, white mineral that is used in a variety of industrial applications, including the production of paints, plastics, and ceramics. It is also used in the oil and gas industry to improve the efficiency of drilling operations.
Iron ore is another important mineral that is produced in Andhra Pradesh. Iron ore is used in the production of steel. Copper is also produced in Andhra Pradesh, but it is not as important as barytes or iron ore. Coal is not produced in Andhra Pradesh.
Here is a brief description of each option:
- Barytes is a heavy, white mineral that is used in a variety of industrial applications, including the production of paints, plastics, and ceramics. It is also used in the oil and gas industry to improve the efficiency of drilling operations.
- Iron ore is a mineral that is used in the production of steel.
- Copper is a metal that is used in a variety of applications, including electrical wiring, plumbing, and construction.
- Coal is a fossil fuel that is used to generate electricity and power industrial processes.