Environment Canada's Quota System to Phase Out Ozone Depleting Chemicals

question 10

Multiple Choice

Environment Canada's quota system to phase out ozone depleting chemicals did not restrict the supply of specific CFCs or halons;rather it was set in term of ________ allowing for flexibility in meeting the target.

• A)marginal damage cost
• B)ozone-depleting potential
• C)marginal abatement cost
• D)total allowable ozone

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Definitions:

Laryngeal Cartilages

Rigid structures that provide structure and support to the larynx (voice box), facilitating speech and protecting the airway.

Arytenoid Cartilage

Paired cartilages located in the larynx that are key in vocal cord movement and voice production.

Corniculate Cartilage

Small, horn-shaped cartilages located at the top of the larynx that are involved in the production of sound and the protection of the vocal cords.

Trachea

A large membranous tube reinforced by rings of cartilage, extending from the larynx to the bronchial tubes and conveying air to and from the lungs; the windpipe.