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 Form 1 Geography Sample Exam Questions and Answers

State three conditions necessary for the formation of dew

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Answer Text:
-Air should be calm so that it can remain in contact with the ground for long enough to be cooled below dew point
- Day time should be warm to speed up evaporation and provide a lot of water in the air
- There should be cloudless nights
-Temperature of the earth’s surface must fall below dew point


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