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7-7.7

Environmental challenges

QuestionAnswer
Megalopolis Areas where cities have grown so large they run into each other.
Developing countries Countries seeking to industrialize.
Developed countries Like the United States.
Standard of living The measure of a person's wealth and personal well-being.
Deforestation Is one of the by- products of a growing world population.
Habitats The special environments required for particular organisms to live.
Desertification The turning of fertile land into deserts.
Droughts Long period without rain.
Acid rain Poisonous downpours have killed forests in both North America and Europe.
Greenhouse effect Trap solar energy in the form of heat, the same way that a nursery greenhouse does.
Chlorofluorocarbons Gases used in aerosols, air conditioning, refrigerators, and foam packaging, has also raised concern among scientists.
Created by: Sheppardjamesl
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