4. Shahid's teacher tells him that many useful
products are derived from petroleum and natural
gas which are known as "Petrochemicals". What is
the name given to petroleum due to it's high economical value
(a)Blue gold
(b) Black gold
(c) Green gold
(d)white gold
Answers
Answered by
2
black gold
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Answered by
0
Answer:
Black gold is the right answer.
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