Question

Carbon Monoxide poisoning can be prevented by ________________.

A. always making sure your car's exhaust system is working properly and never leaving a car running in a garage
B. never leaving an open bottle of hair spray in the car
C. checking your vehicle's engine at least once a month
D. always keeping your ventilating system on low

Answer 1

A:always make sure your cars exhaust system is working properly and never leaving a car running in a garage

Answer 2

the answer is a. always making sure your car's exhaust system is working properly and never leaving a car running in a garage