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22 Cards in this Set
- Front
- Back
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Weather |
"...the short-term changes in the air for a given place and time." |
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Climate |
"...a region's average weather conditions over a long period." |
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Prevailing Winds |
"...winds that blow in the same direction over large areas of Earth." |
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Ocean Currents |
"...large streams of surface seawater..." |
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Front |
"The place where two air masses of different temperatures or moisture content meet is a front." |
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Monsoons |
"...seasonal winds that bring either dry or moist air." |
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Savannas |
"...areas of tall grasses and scattered trees and shrubs." |
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Steppes |
"Semidry grasslands or prairies..." |
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Permafrost |
"Permanently frozen layers of soil are called permafrost." |
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Environment |
Surroundings |
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Ecosystem |
"a group of plants and animals that depend on each other for survival and the environment in which they live." |
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Habitat |
"is the place where a plant or animal lives." |
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Extinct |
When something dies out |
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Humus |
"...decayed plant or animal matter." |
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Desertification |
"the spread of desertlike conditions" |
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Natural Resource |
Any mineral in nature that people use and value. |
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Renewable Resource |
Resources that Earth naturally replaces. |
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Nonrenewable Resources |
Resources that can't be replaced. |
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Deforestation |
The clearing of trees |
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Reforestation |
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Fossil Fuels |
"nonrenewable resources that formed from the remains of ancient plants and animals." |
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Hydroelectric Power |
"the production of electricity from waterpower." |
