Via petroleum and natural gas popular sources of energy?

Petroleum and natural gas are usually formed together from the remains of animals . This accumulate and decompose remain trapped in rocks.

Petrol is an important fossil fuel and a complex mixture of hydrocarbon that occur in liquid petroleum gas and natural gas and solid forms. Both petroleum and natural gas come from the same organisms and I generally found in sedimentary rocks. Open petroleum is referred to as crude oil .

It is distributed through a network of pipelines.