A F1 race track is a purpose-built facility for racing of Formula 1 cars. A race track may also feature grandstands or concourses. Some motorsport tracks are called speedways. A racetrack is a permanent facility or building. Circuit is a common abbreviation for racetrack, given the usual circuitous configuration of most race tracks, allowing races to occur over several laps.
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
Concrete or asphalt depending on the track.
At the Pirelli Factory
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.