-Define what petroleum is, explain how it forms, and what it is used for today.
-Define what natural gas is, explain how it forms, and
what it is used for today.

Petroleum, also called crude oil, is a fossil fuel.

petroleum was formed from the remains of ancient marine organisms, such as plants, algae, and bacteria

Petroleum products include transportation fuels, fuel oils for heating and electricity generation, asphalt and road oil, and feedstocks for making the chemicals, plastics, and synthetic materials that are in nearly everything we use

every chemical equation adheres to the law of conservation of mass, which states that matter cannot be created or destroyed. therefore, there must be the same number of atoms of each element on each side of a chemical equation.