In the Montreal Protocol of 1987, Most of the Nations

question 14

Multiple Choice

In the Montreal Protocol of 1987, most of the nations that produced or used CFCs agreed to

• A) a gradual phase-out of those materials.
• B) limit future use of CFCs to amounts produced in that year.
• C) an immediate ban on all CFCs.
• D) a quick phase-out of CFCs.

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Definitions:

Oceanic Trenches

Deep, narrow depressions in the ocean floor, formed by the subduction of one tectonic plate under another.

Polar Regions

Areas surrounding the Earth's geographical poles, characterized by extreme cold and seasonal variations in daylight.

Age of Mammals

A term often used to refer to the Cenozoic Era, characterized by the rise and dominance of mammals after the extinction of dinosaurs.

Age of Birds

A term denoting the evolutionary period during which modern birds first emerged, often in the context of the Mesozoic era.