Fossil fuels are often used as an energy source because it is Easily and abundantly available
Explanation:
Fossil fuels are formed by natural processes, due to anaerobic decomposition. It is rich source of carbon. We depend on these sources to meet our daily requirement. These are renewable source of energy.
Fossil fuel are available abundantly and are easy to obtain and transport. They are much cheaper. Fossil fuels includes coal, oil, natural gas, petroleum together makes 80% of global energy source in all over the world.