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CSEC Human and Social Biology · January 2018 · Paper 2 · Question 6(a)

After severe flooding, residents are advised not to drink floodwater due to potentially harmful bacteria.

Describe how a sample of water is tested for bacteria in a school laboratory, and state TWO ways in which the floodwater could be purified at home.

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Other parts of this question

  1. 6(b)Discuss the disposal of garbage from collection at your school to its arrival at the landfill, including an explanation of the operations at the landfill.[9 marks]

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