If a car's is malfunctioning, people in the car will become ill when driving long distances, especially if the windows are closed. a. braking system b. air conditioning c. exhaust system d. cooling system

And the 1 points are for this 20 if i get all 3 of them correctly i will give you brainliest and if you only get all 3 i will give you brainliest including a and the rating will be 5 and if you get those i will give you 20 points