Valero buys its crude oil from the people that sell it to them.
The United States and Mexico.
No - Valero is a group of refineries that process crude to refined products. BP is an oil company that also owns refineries and distributes products.
russia
I don't believe it has a meaning. It is just a proper noun. Examples Valero Oil Corporation Edwin Valero
Crude oil is crude..
Polymers are not made into crude oil. Crude oil is made into polymers.
It is a mixture of hydrocarbons, which can be separated by fractional distillation. Oil is NOT an element.
What other thing you can do with crude oil.
Not necessarily. They may have bought futures.
Yup! Crude Oil -> Crude Oil Vapour --> Diesel Oil --> Ethene --> Poly(ethene)
Crude Oil is hydrocarbon and it is mixture of carbon and hydrogen.
Zero. A barrel or crude oil contains... crude oil.