Answer:
[tex]\boxed{\text{A) filter}}[/tex]
Explanation:
An automobile air filter is often made of porous pleated paper. Many of them are cylindrical, as in the diagram below, but others have shapes that fit the available space in the engine compartment.
B) is wrong. A radiator is used to cool the car's engine.
C) and D) are wrong. You probably won't find a distillation apparatus or chromatography paper in your mother's car unless she is a chemist taking them somewhere else.
