Petroleum is a mixture consisting mostly of?

Petroleum, complex mixture of hydrocarbons that occur in Earth in liquid, gaseous, or solid form. Petroleum is a naturally occurring complex mixture made up predominantly of carbon and hydrogen compounds, but also frequently containing significant amounts of nitrogen, sulfur, and oxygen together with smaller amounts of nickel, vanadium, and other elements.

Hope this helps!

the answer is b. dilution

what are the statements