The Red List of Threatened Species Was Developed By

question 63

Multiple Choice

The Red List of Threatened Species was developed by:

• A)International Union for the Conservation of Nature
• B)The National Rifle Association
• C)The Environmental Protection Agency
• D)Safari Club International

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Definitions:

Odorless Gases

Gases that lack a detectable smell, and can be natural or manufactured, with some posing health risks if inhaled in sufficient concentrations.

CFCs

Chlorofluorocarbons, a class of chemicals used in refrigerants and aerosols, which have been found to deplete the ozone layer.

Desertification

A progression where arable land turns into barren desert areas, usually caused by periods of dryness, the removal of trees, or improper agricultural methods.

Topsoil

Uppermost layer of soil; contains the most organic matter and plant nutrients.