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3 Questions
1
What is the population of South Africa?
A.
59,956,820
B.
16,832,900
C.
5,633
2
What waste material can be used in construction and outperforms concrete?
A.
Glass
B.
Plastic
C.
Compost
3
How much of all construction materials end up in landfills in South Africa?
A.
5%
B.
10%
C.
25%
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