Air makes the flexible tyre act as a cushion and gives a smoother ride and more importantly air inside the tyre keeps the tyre cooler. I once had a job mooving a trailer with tyres that were filled with silicone (they never went flat) however after doing a couple of killometers at about 20 kilometers per hour one of them disintergrated and burst into flame.
It is what fills the tires, in the form of air.
There are no 'types' of air. Air is all just air. - Some people do use nitrogen in tires - that is not air.
In standard cars is it simply compressed air. The same mixture we breathe.
If air is escaping from your tires then you have a leak. Repair the leak and no more air will escape. This is not to say you never have to check the air pressure. Tires are made from a porous material and as such will loose a very small amount of air even under the best of circumstances. Check the pressure on a regular basis.
Air expands when heated so therefor increases the preasure
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they are filled up with regular air that our tires use but some cheaters in monster truck racing fill their tires up with water to make sure they land on all fours.
a balloon, a tires, as you said, we actually use air to breath too.
No, you need the tires with the air in them to tow it.
No -- Keep the same recommended air pressure in your tires at all times, but check and add air when the tires are cool and have not been running. Use a tire pressure gauge.
air pressure