5 marksWater and Land Pollution
CAPE Environmental Science Unit 2 · 2008 · Paper 2 · Question 9(b)
Outline the laboratory process for determining BOD.
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Practise this questionOther parts of this question
- 9(a)What information is provided by the BOD of a water sample?[3 marks]
- 9(c)Identify the type of water pollution source impacting the river and justify your response.[3 marks]
- 9(d)Account for the changes in DO concentration along the river.[5 marks]
- 9(e)At what distance from the reference point is it LIKELY that dead fish will be found floating in the river? Justify your answer.[4 marks]
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