Petroleum - body, used, Earth, plants, form, gas, animals, carbon, substance

What Are Fossil Fuels?

Fossil fuels aren't from dinosaurs, but evidence suggests they are the remnants of past living organisms.

Can human bones be turned into fossil fuel? - Quora

The Mysterious Origin and Supply of Oil

How do fossil fuels form?

What is Carbon Monoxide: Definition, Properties, Source, Uses

Fossil-fuel use is confusing some carbon-dating measurements

Is the idea that oil comes from dead plants and animals enough to create the volume of oil and gas we have taken from the earth over the past 100+ years? - Quora

Petroleum - body, used, Earth, plants, form, gas, animals, carbon, substance

Climate change glossary: the terms you need to understand, explained