Question

final exam
you must score at least 80% to earn your certificate of completion. a failing score will result in course failure and forfeiture of your course fee—no refunds will be issued.

what is the primary function of a vehicles exhaust system?
○ to cool the engine
○ to inflate the tires
○ to carry away harmful combustion gases

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Explanation:

The vehicle's exhaust system is designed to manage byproducts of engine combustion. Cooling the engine is the role of the cooling system, and inflating tires is unrelated to the exhaust system. Its main job is to remove harmful gases produced during combustion.

Answer:

To carry away harmful combustion gases