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- Petroleum is a fossil fuel that was produced millions of years ago when dead organisms were buried in the sea. These animals became trapped under soil and clay throughout time, forming new deposits. Temperature and pressure rose due to depth, and they were changed to petroleum oil over time.
- Because oil is lighter than water, it did not mix with it and rose to the surface of the rocks, preventing it from passing through.
- Petroleum is made up of a variety of valuable ingredients. As a result, fractional distillation of petroleum is refined in petroleum refineries to separate these beneficial by-products.
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