The Thinning of the Ozone Layer Over the Arctic at the End

question 45

Multiple Choice

The thinning of the ozone layer over the Arctic at the end of its winter is lesser than what occurs at the end of the Antarctic winter and this difference is possibly due to the following

• A) Nations of the northern hemisphere are more restrictive on the use of CFCs than are nations of the southern hemisphere.
• B) The Arctic winter is shorter than the Antarctic winter.
• C) The Arctic winter is longer than the Antarctic winter.
• D) The Arctic is a region of ice covering seawater, whereas the Antarctic is a region of ice covering land.

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Definitions:

Hinged Instruments

Medical or surgical tools that have a pivot or a joint, allowing parts of the instrument to move in relation to each other, facilitating their use.

Healthcare Facility

A place where health care services are provided to patients, such as hospitals, clinics, long-term care facilities, and outpatient centers.

Infection

An occurrence where foreign microorganisms such as bacteria, viruses, and parasites begin to enter and multiply within the body where they are typically absent.

Surgical Site Infections

Infections that occur after surgery in the part of the body where the surgery took place, potentially causing significant complications.