CSEC Human and Social Biology · May/June 2013 · Paper 2 · Question 6(a)(ii)
Outline ONE way in which water can be purified on a small scale.
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Practise this questionOther parts of this question
- 6(a)(i)Define the term 'pollutant', and give an example of a pollutant that CANNOT be seen or touched.[2 marks]
- 6(a)(iii)Explain how water can become polluted after a hurricane.[5 marks]
- 6(b)Describe a test for determining if your school's water supply is contaminated with bacteria, and explain how the results of the test are to be interpreted.[7 marks]
More practice: the rest of this paper · more Water and Waste Management questions · all CSEC Human and Social Biology past papers