Question

what is crude oil? what has to be done to make it usable?​

Answer 1

Answer:

Crude oil is often a dark, sticky liquid that cannot be used without changing it. The first part of refining crude oil is to heat it until it boils. The boiling liquid is separated into different liquids and gases in a distillation column. These liquids are used to make petrol, paraffin, diesel fuel etc.

Explanation:

please mark me brainliest