Question

why is petroleum called black gold please this question answer sample language​

Answer 1

$\huge\bold\star\red{Answer}$

This is because when crude oil is extracted from the land it is black in color. This resource is compared to gold due to its valuable properties and worth too.......☺

Answer 2

Answer:

Explanation:

We call petroleum black gold because when we first extract it from the ground, it is in form of crude, which is black in color.  We call gold because of its value ..