Which group best describes the order of events in the development of the airplane?
group...
Which group best describes the order of events in the development of the airplane?
group a
hot-air balloon flights pioneer air travel
aviators fly gliders—heavier-than-air aircraft with no engines
development of engine-powered machines with propellers and lightweight motors
first-ever flight across the english channel
construction of the first military airplanes
world's first scheduled commercial airline
group b
development of engine-powered machines with propellers and lightweight motors
world's first scheduled commercial airline
first-ever flight across the english channel
hot-air balloon flights pioneer air travel
aviators fly gliders—heavier-than-air aircraft with no engines
construction of the first military airplanes
group a, or group b?
Answers: 2
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