ss Unit 8, Chapter 23, Lesson 2
About this set
Created by:
cahb8989 on October 13, 2008
Subjects:
ss vocabulary, louisiana edition, ss the world, lomschool
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12 terms
Terms | Definitions |
|---|---|
 Antartica | the 5th largest continent on Earth; also the highest, driest, and coldest continent |
| Rachel Carson | 1907 - 1964 American scientist who wrote SILENT SPRING, warning of the harmful effects of pesticides on the environment |
| global warming | a gradual increase in the temperature of Earth's surface |
| carbon dioxide | a gas produced by the burning of gasoline |
| greenhouse effect | the proccess by which carbon dioxide in Earth's atmosphere traps heat from the sun, raising the temperature of Earth's surface |
| pesticide | a chemical that is used to kill insects or other pests |
| environmentalist | a person who tries to solve environmental problems |
| endangered species | an animal or plant that is in danger of dying completely |
| deforestation | the clearing of land, which causes lost of forests and less fertile land |
| desertification | the drying up of land along a desert |
| pollution | the process of making the environment dirty |
| Environmantal Protection Agency | a US agency that watches the env |
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