The correct answer is: A) Limestone
Limestone is a sedimentary rock composed mainly of calcium carbonate (CaCO3). It is the most common sedimentary rock on Earth, and the most widely used industrial mineral. Limestone is used in a variety of products, including cement, lime, and building materials.
Iron ore is a mineral that contains iron. It is the primary raw material used to make iron and steel. Iron ore is found in a variety of forms, including hematite, magnetite, and taconite.
Copper is a chemical element with the symbol Cu and atomic number 29. It is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. Copper is one of the most widely used metals in the world, and is a major component of many electrical and electronic devices.
Uranium is a chemical element with the symbol U and atomic number 92. It is a silvery-white metal that is radioactive. Uranium is found in nature in a variety of minerals, and is the primary source of nuclear fuel.
The Telangana region is a state in India that is rich in mineral resources. The most important mineral resource mined in Telangana is limestone. Limestone is used in a variety of products, including cement, lime, and building materials.