What is coal primarily used for, and what advantages and disadvantages does it have?

Answer:

Coal is primarily burned to generate electricity, and it is also used in some industrial processes such as steelmaking. It is abundant in many regions, relatively inexpensive, and can provide dependable energy. Its disadvantages include releasing large amounts of carbon dioxide and other air pollutants when burned. Mining coal can damage landscapes, habitats, and water supplies, and coal is nonrenewable.