By fractional distillation of liquid air.
NO, it is found in abundance in the air.
78% 0of the air we breathe is nitrogen, same as the amount in the air.
It is a chemical change.
Yes, it is a change of state.
Humans
No, humans cannot change their past. They can only change their future.
The transducer vibrates, producing vibrations in the air in the decibel scale audible to humans.
An air filter.
the use of fossil fuels by humans had tainted the air and atmosphere
All that happens in the humans air sacks is that the air that u breathe gets stored up in there
The air doesn't change much from day to night, so we Breathe the same stuff at night as during the day.
no because our body is constantly producing heat. Also if we were the same temp as the air we'd be dead. also we sweat when the air is hot so we always change temp
Humans are altering sulphur in air by releasing it. It is released as pollution.
humans often cause change to systems in nature.
air is connecting human as we breath air for our survival.
One hundred percent of all humans use air, without which they would die.