Airplanes got popular after the invention of it by the Wright Brothers. They got more popular after the World War. People considered it as an fast mode of transportation. Before the invention of the airplane people thought it as impossible to fly.
When we saw the afactivnes of air planes at pearle harber and the German Blitgrege(lightning war)
airplanes are usually purple with pink or blue stripes
Some planes do like a harier it could stop in the air
It depends if you mean private planes or commercial or passenger planes. For passenger planes I think Air Canada would probably buy planes though I am not sure and I am sure there would be others.
Paper air planes are source of fun and and interest to most kids. There are many different kinds of paper air planes that you can make. It depends on where and how that you want them to fly
Use of air planes allows the military to place bombs where they will be most effective.
Yes but these military planes are flown by navy pilots or military pilots.
airports.
No
In the air.
Airplanes
no planes are not perpendicular to each other because for air resistance the planes are designed in a such way that air is avoided to back side and they are inclined to each other.