Petroleum is referred to as Black Gold because
a) It is black in colour
b) It is yellow in colour
c) It is used to make jewelry
d) It is valuable
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Petroleum is referred to as Black Gold because
a) It is black in colour
b) It is yellow in colour
c) It is used to make jewelry
d) It is valuable
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Answer:
ANSWER:-
d) It is valuable
Explanation:
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Answer:
answer will be option D
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