10. Which of the following is known as black-gold?
a) Coke
b) Petroleum
c) Petrol
d) Coal-tar
Answers
Answered by
2
Answer:
b) Petroleum..................
Answered by
0
Answer:
(b) petroleum
Explanation:
Black gold is a term applied to oil or petroleum which is black when it comes out of the ground and is worth a great deal of money.
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