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 Form 4 Geography Sample Exam Questions and Answers

State two advantages of irrigation over natural water supplies

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Answer Text:
-Irrigation ensures a steady and reliable supply even in arid area while rainfall may fail in a given year
- River water used for irrigation may bring in silt which makes soil fertile and leads to more yields unlike pure rain water
- Enables cultivation throughout the year maximizing use of land while rainfall could be seasonal
- Water drawn for irrigation may also be used for other purposes in the farm


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