F1 tracks are not only for F1 cars but other forms of motorsport racing. they are built be makinga track by laying tarmac and adding features to it. However, the tracks used in F1 are suitable for F1 cars ie enough room to take other and have the ability o go around corners at various of speeds.
There are currently 19 tracks that are classified as a Formula 1 track but historically there have been close to a hundred different circuits.*As of 2013
yes
Wet tyres are used in formula 1 on rain affected tracks to prevent slipping.
Left hand tracks such as Brazil give a complete different G-Force to the driver
Railroad tracks are made from steel.
Bmx tracks are made of mostly lime and gravel
Valencia and Catalunya
At the Pirelli Factory
Concrete or asphalt depending on the track.
by a snowmobile
1 cylinder = 15 tracks
No, braces are not literally made out of train tracks, it's just the name given to the style.