Study Fig. 6, which shows New York's water supply system. [Figure 6]
- (a)What is a watershed?[1]
- (b)(i)Identify two methods used to transport water towards New York City.[2]
- (b)(ii)Identify two different types of named fresh water source shown on Fig. 6.[2]
- (c)Describe the location of New York City in relation to its areas of water supply.[2]
- (d)Suggest a source of river pollution that may prevent water supply being taken from the Hudson River.[1]
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
Mark scheme
Marking points from the official mark scheme (Oct/Nov 2017). The mark or mark type is shown in brackets.
- 5(a) Edge of a drainage basin / separates two river systems
- 5(b)(i) Aqueduct; Tunnel / pipe; River
- 5(b)(ii) Named river; Reservoir
- 5(c) South / SSE / SE / flows from the NW/NNW/N; Downhill / lower land; Downstream / mouth of river; Distance up to 250 km
- 5(d) Industrial waste; Ship fuel leakage / oil spill; Fertiliser / pesticide; Sewage
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