Multiple choice

Which of the following is incorrect?

  1. Water vapour is a gas in the atmosphere.

  2. In the warm and wet tropics, it may account for four percent of the air by volume.

  3. Water vapour increases with altitude.

  4. It absorbs parts of the insolation from the sun.

  5. It preserves the earth’s radiated heat.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

No, water vapour is a variable gas in the atmosphere, which decreases with altitude.

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