Extra
questions
material
9-1
Which
is called
"black
gold? Why?
Q-2
What is meant by inexhaustible natural
resources ? Name two inexhaustible natural
Yesources ?
.. What is meant by exhaustible natural resource
Name any two exhaustible natural resource?
8.4. What is
petroleum? Where
does petroleum
occur?
I 8.5
What are petrochemicals ? Name any two
petrochemicals.
Answers
11
Answers
Answered by
0
Answer:
11...................
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