Natural gas is another important fossil fuel resource found in Assam and is used for:

The correct answer is: d) All of the above.

Natural gas is a fossil fuel that is found in the Earth’s crust. It is a mixture of gases, primarily methane, but also ethane, propane, butane, and other hydrocarbons. Natural gas is used for a variety of purposes, including:

• Power generation: Natural gas is a clean-burning fuel that can be used to generate electricity. It is a more efficient fuel than coal or oil, and it produces fewer emissions.
• Fertilizer production: Natural gas is used to produce ammonia, which is a key ingredient in fertilizer. Fertilizer is essential for growing crops, and it helps to improve crop yields.
• Industrial purposes: Natural gas is used in a variety of industrial processes, including manufacturing, food processing, and paper production. It is a versatile fuel that can be used to power a variety of machines and equipment.

Assam is a state in northeastern India that is rich in natural gas resources. The state has several natural gas fields, and it is a major producer of natural gas. Natural gas is used in Assam for a variety of purposes, including power generation, fertilizer production, and industrial purposes.