engine and carburetor. wheels and axles. brakes and muffler. steering wheel and speedometer.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: The suspension system of a truck includes the
Possibilities:
- engine and carburetor.
- wheels and axles.
- brakes and muffler.
- steering wheel and speedometer.

wheels and axles.