Test yourself: 5 hard theory questions, free Airspace, weather, regs and aerodynamics, FAA-style — instant score, every answer explained. No signup.
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Orographic cloud forms when:
A
Air cools by radiation
B
Cold air undercuts warm air
C
Air is forced to rise over high terrain
D
Warm air advects over cold sea
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See where you stand: 5 hard questions, instant score, every answer explained.