The correct answer is A) Iron ore.
Iron ore is a mineral that is used to make steel. Steel is a strong and durable material that is used in a variety of products, including buildings, cars, and machinery. Karnataka is a state in India that is home to large deposits of iron ore. The state’s iron ore industry is a major contributor to the Indian economy.
Manganese is a mineral that is used to make steel. It is also used in batteries, alloys, and other products. Manganese is found in Karnataka, but the state’s manganese deposits are not as large as its iron ore deposits.
Copper is a mineral that is used to make electrical wires, pipes, and other products. Copper is found in Karnataka, but the state’s copper deposits are not as large as its iron ore or manganese deposits.
Bauxite is a mineral that is used to make aluminum. Aluminum is used in a variety of products, including cars, airplanes, and cans. Bauxite is not found in Karnataka.