Which of the Following Has Been a Major Source of Ozone

question 12

Multiple Choice

Which of the following has been a major source of ozone destruction over the past 50 years?

• A)chlorofluorocarbons (CFCs)
• B)ethylene glycol (C₂H₆O₂)
• C)carbon dioxide (CO₂)
• D)methane (CH₄)

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Definitions:

Unbalanced Vane Pump

A type of rotary pump where uneven pressure on the pump vanes can lead to operational inefficiencies or damage.

Balanced Vane Pump

A type of hydraulic pump characterized by its design that balances the hydraulic forces to reduce wear and extend the pump's life.

Outlet Port

An exit point on a device or machine where substances (fluid or gas) are expelled or discharged.

Hydraulic Pump

A device that converts mechanical energy into hydraulic energy by forcing fluid from a reservoir into a hydraulic system.