The correct answer is: d) All of the above.
Arunachal Pradesh is a state in northeastern India. It is the largest state in India by area, but has the lowest population density. The state is rich in natural resources, including minerals, forests, and water.
Coal is a fossil fuel that is formed from the remains of ancient plants and animals. It is a major source of energy in India. Arunachal Pradesh has significant deposits of coal, which are located in the Tirap, Changlang, and Lohit districts.
Limestone is a sedimentary rock that is composed of calcium carbonate. It is used in a variety of industries, including construction, manufacturing, and agriculture. Arunachal Pradesh has large deposits of limestone, which are located in the Siang, Dibang Valley, and Tirap districts.
Graphite is a mineral that is composed of carbon. It is used in a variety of industries, including the manufacture of batteries, lubricants, and paints. Arunachal Pradesh has significant deposits of graphite, which are located in the Kameng and Tawang districts.
In addition to coal, limestone, and graphite, Arunachal Pradesh also has deposits of other minerals, including iron ore, bauxite, and gold. The state’s mineral resources have the potential to play a significant role in its economic development.