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 least population. The state is rich in natural resources, including coal, limestone, graphite, dolomite, marble, and quartz.
Coal is a fossil fuel that is formed from the remains of plants and animals that lived millions of years ago. It is used to generate electricity and to produce steel. Limestone is a sedimentary rock that is composed of calcium carbonate. It is used in the construction industry and in the manufacture of cement. Graphite is a mineral that is used in the manufacture of pencils and lubricants. Dolomite is a sedimentary rock that is composed of calcium magnesium carbonate. It is used in the construction industry and in the manufacture of cement. Marble is a metamorphic rock that is composed of calcium carbonate. It is used in the construction industry and in the manufacture of sculptures. Quartz is a mineral that is composed of silicon dioxide. It is used in the construction industry and in the manufacture of electronics.
Arunachal Pradesh is a beautiful and diverse state with a rich history and culture. It is a popular tourist destination, and its natural resources are a valuable asset to the state.