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8 marksWater and Land Pollution

CAPE Environmental Science Unit 2 · 2018 · Paper 2 · Question 6(a)(ii)

Figure 4 shows waste minimization methods proposed at a science exhibition, including collection, sorting/recycling into new bottles (Process A), and incineration/processing for road paving and electricity (Process B).

Discuss TWO advantages and TWO disadvantages of implementing the waste minimization method demonstrated by Process A.

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Other parts of this question

  1. 6(a)(i)Explain the method of waste minimization demonstrated by Process A in Figure 4.[3 marks]
  2. 6(b)(i)What is the hypothesis of this experiment?[1 mark]
  3. 6(b)(ii)Why is Bottle B included in the experiment?[2 marks]
  4. 6(b)(iii)What conclusion should be drawn from the results of this experiment? Justify your answer.[3 marks]
  5. 6(c)List THREE heavy metal pollutants, other than arsenic, cadmium and chromium.[3 marks]

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