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| 1. |
Which two or more of the following negative effects are associated with the application of chemical fertilisers? (a) eutrophication of lakes, dams and oceans (b) contamination of underground water sources (c) lower production levels (d) soil pollution The correct combination of alternatives is … . (1) (a) and (b) (2) (a), (b) and (c) (3) (a), (b) and (d) (4) (b) and (d) (5) (c) and (d) |
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