Petroleum is a major source of energy in the world.
it is a jelly type substance
Great Britain
What is an offsetwell??
Great Britain
They are made from rubber, and petroleum.
natural oil, gypsum, and petroluem
for natural gas and oil that comes from the sea
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Petroleum is found in various forms all over the world. Significant fields have been found in the US and Canada, in Mexico, Venezuela, Europe, Arabia, China, Africa among other places.
By the use of his analytical skills
Lpg [lutrified petroluem gas ]
There are 6.289811 barrels (petroluem) in 1 m3.