Statistically plane travel is safer.
it is thicker
It is safer to buy a new car, but generally it depends on the type of car. The model will help determine this answer as well. A newer model would be safer, even if it's used.
no they have no protection on them so a car would be much safer.
Statstically, flight is much safer than transportation by automobile.
As far as air travel being safer then travelling by car, in deaths per passenger-mile ... yes. almost any form of transportation is safer than going by car.
at rest
car, it creates more friction
a car is faster and much safer then a bicycle. your welcome
Not really it depends on your driving skill
More space and conviniant
Overall, yes it does because it's much safer than without one. The loud noise it makes creates attention so you know that someone has broken into your car.