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Figure 1 shows the process for the collection of rainwater.

                       A                                     D
                          B

                    C

(ii) Identify EACH of the stages of the process labelled A, B, C and D.
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                                                                                          [4 marks]

(iii) Briefly explain any ONE of the stages identified in (b) (ii).
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                                                                                          [2 marks]

                                                                                         Total 20 marks

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02265020/SPEC 2015
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