Final answer:
Moist air movement primarily occurs in the troposphere, the lowest layer of the atmosphere.
Explanation:
Troposphere - Where Moist Air Movement Occurs
The primary atmospheric layer where moist air movement occurs is the troposphere, which is the lowest layer of the atmosphere. Air movement in the troposphere is driven by differences in heating, creating convection currents and winds.
The stratosphere contains the ozone layer but does not primarily support moist air movement. The ozone layer is concentrated in the stratosphere.
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