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**ASAP**
petroleum is a mixture consisting mostly of____?

a.) aromatic hydrocarbons

b.) methane and long branches alkanes

c.) methane, ethane, propane, and isomers of butane

d.) long branched alkanes and alkenes

Respuesta :

Answer:

b.) methane and long branches alkanes

Explanation:

Petroleum or crude oil is a fossil fuel formed by the decomposition of organisms buried under the earth's surface and subjected to intense pressure and temperature. It is composed of a mixture of hydrocarbons which include paraffins (linear and branched alkanes), naphthenes (cyclic alkanes) and other aromatic compounds.

However, petroleum is predominantly consists of paraffins which have the general formula CnH2n+2 and include methane and other long branched alkanes.

Answer:

Long branched alkanes and alkenes

Explanation: