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No, ;it would be easier in denser air. Less dense air gives nothing for the wings of the plane to use to propel itself upwards.
Less dense air would make the plane crash.
Yes, 80% of the Earths atmosphere is made up of nitrogen.
Earths atmosphere dose have oxygen in it, without it we would all be dead we require oxygen to breathe.
The atmosphere
because the higher up you go the closer to earths atmosphere you are and it gets stuffy and the air is harder on your lungs
That's simply the way earth's atmosphere evolved. And fortunate for us - if the earths atmosphere was 100% oxygen, the planet would have burst into flames long ago! Earth's atmosphere is 79% Nitrogen.
If there were no atmosphere, there would be no plants and animals.
A+ Meteorology :D
The earth's atmosphere is what we must breath or we would suffocate and die.
we would die
No we don't get squished when we are leaving the earths atmosphere so neither would a bug
your an imbachille. just kidding
Higher atmosphere, called the stratosphere, would be one example.