Normally, the temperature decreases with the increase in height from the Earth's surface, because
    • 1. the atmosphere can be heated upwards only from the Earth's surface
    • 2. there is more moisture in the upper atmosphere
    • 3. the air is less dense in the upper atmosphere
    Select the correct answer using the codes given below:

  • 1 only
  • 2 and 3 only
  • 1 and 3 only
  • 1, 2 and 3
Normally, the temperature decreases with the increase in height from the Earth's surface, because
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