2 marksWater and Waste Management

CSEC Human and Social Biology · January 2008 · Paper 2 · Question 6(b)(i)

Name TWO domestic methods used to purify drinking water.

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6(a)Identify the hydrological processes labelled A, B, C, D, and E in Figure 2.[5 marks]
6(b)(ii)State the function of screening in a water treatment facility.[1 mark]
6(c)Describe how one could demonstrate the presence of bacteria in a water sample.[2 marks]

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