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5 marksWater and Land Pollution

CAPE Environmental Science Unit 2 · 2013 · Paper 2 · Question 6(a)

Figure 7 illustrates the area surrounding Green Valley Village, showing a river, Farm A upstream, a sanitary landfill, Farms B and C downstream, a drinking water treatment plant, and houses. Residents report unpleasant taste in tap water and declining crop yields downstream, except on Farm A.

Outline a plan that will allow you to determine the source of the problems being experienced by the residents and farmers of Green Valley Village, explaining clearly how the plan will allow you to determine the source.

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Other parts of this question

  1. 6(b)State THREE pollutants that are likely to be found in the Green Valley River.[3 marks]
  2. 6(c)Persons fishing in the river below Green Valley Village have found fish highly contaminated with materials believed to originate from the landfill. Explain how…[4 marks]
  3. 6(d)Suggest TWO measures that can be implemented to mitigate the impact of pollution on the residents and farmers in the Green Valley area.[2 marks]
  4. 6(e)The landfill is also a significant source of methane, a greenhouse gas. Explain how methane from the landfill can contribute to global warming.[6 marks]

More practice: the rest of this paper · more Water and Land Pollution questions · all CAPE Environmental Science Unit 2 past papers