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4 marksWater and Waste Management

CSEC Human and Social Biology · 2021 · Paper 2 · Question 4(a)

Table 3 lists steps involved in the large-scale purification of water from a dam.

Complete Table 3 by numbering EACH step in the purification process in the correct order.

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Other parts of this question

  1. 4(b)State TWO ways in which human activity could negatively impact water supplies.[2 marks]
  2. 4(c)(i)State TWO contaminants that Leah and her community could be exposed to after the flood.[2 marks]
  3. 4(c)(ii)Suggest THREE diseases that Leah and her community are likely to contract as a result of the flooding.[3 marks]
  4. 4(c)(iii)Recommend FOUR precautions that residents could take during the flooding crisis to prevent the spread of diseases.[4 marks]

More practice: the rest of this paper · more Water and Waste Management questions · all CSEC Human and Social Biology past papers