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3 Questions
1
By what year are projections expecting Africa to have three of the largest cities?
A.
2100
B.
2050
C.
2130
2
What is one of the main problems that new recyclable construction materials face from regulatory standards?
A.
They are not recognised
B.
They are illegal
C.
They are expensive
3
What are South Africa's CO₂ emissions (metric tons per capita)
A.
7.5
B.
0.8
C.
0.3
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