EDUCATION (CBSE/UGC NET)

Detailed explanation-1: -Nonrenewable energy resources include coal, natural gas, oil, and nuclear energy. Once these resources are used up, they cannot be replaced, which is a major problem for humanity as we are currently dependent on them to supply most of our energy needs.

Detailed explanation-2: -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 fuels-coal, oil and gas-on the other hand, are non-renewable resources that take hundreds of millions of years to form.

Detailed explanation-4: -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.

Detailed explanation-5: -Petroleum. Hydrocarbon gas liquids. Natural gas. Coal. Nuclear energy.