Because at first aircraft were fairly risky to fly in. Most people were not willing to take that risk.
About a year. That's common for most dogs.
Very few people take airplanes on a daily basis. The overwhelming majority of the population ride in cars not airplanes. Air travel is limited to long distance travel.
how long does it take to become a gerontologist?
How do you become a parralegal
how long dose it take from a babytasmania devil to become a adult tasmania devil
There is not much point in having airplanes unless they 'take off' .
Please be specific; what do you mean "become?"
it take 1 year
Airplanes changed the way of life for many because it meant being able to travel long distances in a very short amount of time. What might take 6 hours to drive will only take 1 hour to fly.
it takes about "i-don't-know-how-long" for a rose to become a rose.
4
Not long at all. They are very common.