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Through the process of subsidence materials, in this case plant remains are literally buried. They do not start out as hydrocarbons, but are formed through moderate heat, pressure and chemical changes.

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What is petroleum migration?

Petroleum migration refers to the movement of liquid hydrocarbons (such as oil and gas) through porous rock layers underground. This process occurs due to differences in pressure and buoyancy within the Earth's crust, eventually leading the hydrocarbons to accumulate in reservoirs where they can be extracted.


What fuel is petrol made from?

Petrol, also known as gasoline, is primarily made from crude oil through a refining process. Crude oil is a fossil fuel found underground and consists of hydrocarbons. The refining process separates these hydrocarbons into different products, with petrol being one of them.


Is petroleum the same as oil?

Yes, petroleum and oil are terms that are often used interchangeably to refer to the same substance, which is a fossil fuel derived from underground deposits of hydrocarbons.


Are oil and petroleum the same thing?

Yes, oil and petroleum are often used interchangeably to refer to the same substance, which is a fossil fuel derived from underground deposits of hydrocarbons.


Why is petrol not made from straight-chain hydrocarbons?

Straight-chain hydrocarbons ignite very easily; in a vehicle, they would ignite before they reached the engine. Branched hydrocarbons are not as reactive so they are used for fuel such as petrol.


What is the mixture called when crude oil and petroleum come straight from the ground?

"Petroleum" products are distilled from crude oil, so what comes out of the ground is crude oil.


What is the difference between hydrocarbons and crude oil?

Crude oil is a specific type of hydrocarbon, derived from organic matter buried deep underground and formed over millions of years. Hydrocarbons, on the other hand, refer to a broader class of compounds consisting of hydrogen and carbon atoms that can be found in various forms both naturally and synthetically. Thus, while crude oil is a natural source of hydrocarbons, hydrocarbons can exist in different forms beyond crude oil.


How harmful is hydrocarbons to the environment?

Hydrocarbons are a very diverse category. Some of them can be bad for you if you are exposed to them. Some are essential for you to live.


Is oil the same thing as petroleum?

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