Which of the following types of rock is a source of energy?
Answer Details
Coal is the type of rock that is a source of energy. Coal is a sedimentary rock that is formed from the accumulation of plant material over millions of years. When coal is burned, it releases energy in the form of heat and is used as a fuel for various purposes such as electricity generation, heating, and cooking. Coal is one of the most widely used sources of energy in the world and plays an important role in many economies.