Answer: Option C.
Coal
Explanation:
Coal is the most abundant natural resources and burned fossil fuels.
Coal is a hard rock that is burned as fossil fuels use as source of energy.
It is a sedimentary rock formed from peat and contain more of carbon and less of hydrogen, sulphur and oxygen.
It is use for steel production, to generate electricity, to manufacture cement and it is use as liquid fuel. It is found worldwide.
