Final answer:
The primary use of petroleum products is for gasoline for transportation and the production of petrochemicals needed for industry.
Step-by-step explanation:
The primary use of petroleum products is for gasoline for transportation and the production of petrochemicals needed for industry.
Petroleum, also known as crude oil, consists of hydrocarbon chains of different lengths. Lighter molecules are used for gasoline, while heavier molecules are used in the production of tar, asphalt, lubricants, and petrochemical feedstock for plastics.