Chlorofluorocarbons Have Been Implicated in Destruction of Ozone in the Upper

question 32

Multiple Choice

Chlorofluorocarbons have been implicated in destruction of ozone in the upper atmosphere, even though they are no longer utilized, having been banned completely worldwide since 2000. What property(ies) of CFCs results in them still causing environmental issues today?

• A) low toxicity
• B) low cost
• C) low chemical reactivity
• D) low flammability
• E) All of the above.

---

Definitions:

Clutch System

Refers to the components that engage and disengage the engine's power transmission to the gearbox in a vehicle.

PCM

Powertrain Control Module, an automotive component that manages various aspects of an engine's operation, including the fuel mixture, ignition timing, and emissions control.

Shift Solenoids

Electromechanical valves that control the flow of fluid in automatic transmissions, thereby managing gear shifts.

Gear Ratios

The ratio of the rotational speeds of two or more interlocking gears.