only if you receive a court summons saying that you need to appear in court to testify.
Technically the vehicle that lost the object. Unfortunately you have to prove what vehicle it came from and regardless of how many witnesses you have in your car, you need a witness from outside your car.
The definition of a carriage is "A horse-drawn passenger vehicle" It is also a railroad Passenger Car.
passenger car i think
No, but you can buy a fake passenger.
Population per passenger car is the rate of how many people live in a country to how many passenger cars are privately owned.
I doubt it. The police might want to question a passenger as a witness to the accident. Also, the passenger might need medical attention, so it's best to stay at the scene of an accident.
Then you have a space for one extra passenger...
Initially the driver has to pay the damages if anything besides the car was harmed or damaged but he can sue the passenger for the same amount and also for damage to the car.
That would depend upon the context. Singular possessive would read: "The blue car is the witness's car." However, witness' is acceptable. For some words, it also would depend upon how the pronunciation is affected. For example, if you were speaking of a lady named Mrs. Chambers, and you wrote Mrs. Chambers's that would make the pronunciation awkward. Plural possessive would read: "The blue car is the witnesses' car."
driver and all passenger