MCQ
In which layer, most of the atmospheric air is present?
  • Troposphere.
  • B
    Stratosphere.
  • C
    Mesosphere.
  • D
    Thermosphere.

Answer

Correct option: A.
Troposphere.
Fifty percent of the total mass of the atmosphere is located in the lower $5 − 6\ km$ of the troposphere.
Nearly all atmospheric water vapour or moisture is found in the troposphere.
​​​​​​​So, it is the layer where most of the earth's weather takes place.

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