Multiple choice

Normally, the temperature decreases with the increase in height from Earth’s surface because

  1. the atmosphere can be heated upwards only from Earth's surface
  2. there is more moisture in the upper atmosphere
  3. the air is less dense in the upper atmosphere

  1. 1 only

  2. 2 and 3 only

  3. 1 and 3 only

  4. 1, 2 and 3
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

1 and 3 are correct.

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