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Which of the following is the best indicator of the actual...

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Environmental Science
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Which of the following is the best indicator of the actual amount of water vapour in the air?

Answer & Solution
Correct Answer: Option D
Dew point is a good indicator of the air's actual water vapour content, unlike relative humidity, which takes the air's temperature into account. High dew point indicates high water vapour content; low dew point indicates low water vapour content.
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