SSC MTS EXAM

Detailed explanation-1: -Fossil fuels like coal and petroleum are formed from the decayed plants and animals buried under the Earth. It takes millions of years for them to decay and convert into fossil fuels. So, fossil fuels like coal, petroleum, etc cannot be replenished easily and hence, it is considered as a non-renewable source of energy.

Detailed explanation-2: -Coal takes millions of years to form Coal is classified as a nonrenewable energy source because it takes millions of years to form. Coal contains the energy stored by plants that lived hundreds of millions of years ago in swampy forests. Layers of dirt and rock covered the plants over millions of years.

Detailed explanation-3: -Fossil energy sources, including oil, coal and natural gas, are non-renewable resources that formed when prehistoric plants and animals died and were gradually buried by layers of rock.