Crude oil, or petroleum, is a hydrocarbon formed by the decay of large amounts of dead organisms such as plants, algae, and bacteria packed under layers of sand and mud over millions of years.

As defined by the U.S. Geological Survey (USGS), heavy oil is a type of crude oil characterized by ... After oil is formed, continued pressure from overlying rocks causes it to migrate through ...

Crude oil is a finite resource ... Naturally occurring and synthetic polymers can be formed from a variety of monomers. Sample exam questions - organic chemistry - AQA Understanding how to ...

Oil prices dip as Trump threatens tariffs on Canada & Mexico. Uncertainty over crude imports keeps markets volatile. Traders ...

WTI crude remains bearish within the triangle pattern, while natural gas remains bullish within the ascending channel.