Question

why petroleum is called black gold. For class 5.
Please help me out. ​

Answer 1

Answer:

gud mrng

Explanation:

Petroleum is also known as Black Gold -

because when crude oil is extracted from the land it is black in color. People call it gold because of its oils and value . It is very difficult to find.

i hope it helps u.

pls thnxx and follow

Answer 2

hi✌️✌️

Petroleum is also known as Black Gold -

Petroleum is also known as Black Gold -because when crude oil is extracted from the land it is black in color. People call it gold because of its oils and value . It is very difficult to find.

I hope it will help u..