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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 an time |
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climate |
a region's average weather conditions over a long period |
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prevailing winds |
are winds that blow in the same direction over large of Earth |
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ocean currents |
large streams of surface seawater |
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front |
the place were two air masses of different temperatures or moisture content meet |
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enviroment |
surroundings |
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habitat
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the place were a plant or animal lives |
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ecosystem |
a group of plants and animals that depend on each other for survival and the enviroment in which they live |
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extinct |
to die out |
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humus |
decayed plant or animal matter |
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desrtification |
the spread of desertlike conditions |
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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 |
grasslands or prairies |
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permafrost |
permanently frozen layers of soil |
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natural resource |
any material in nature that people use and value |
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renewable resources |
resources earth replaces naturaly |
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nonrenewable resources |
resources that cannot be replaced |
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deforistation |
the clearing of trees |
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reforistation |
planting trees |
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fossil fuels |
nonrenewable resource formed of ancient plants and animals |
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hydroelectric power |
the production of electricity from waterpower |
