Petroleum is a complex mixture of solid liquid and gaseous hydrocarbons, mixed with salt water and earthy particles. It is always found trapped between two impervious rocks. It is believed that petroleum is formed by the anaerobic decomposition of extremely small sea animals and plants which got buried in the sea bed millions of years ago.
Read the below questions and try to answer them.
Name some by products that are obtained while refining petroleum.

Explanation

Gasoline, Diesel, and Asphalt.