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22 Cards in this Set
- Front
- Back
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weather |
a short term change in air |
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climate |
a region average temp. |
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Prevailing winds |
are two winds 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 |
when two weathers meet |
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monsoons |
cold and hot air |
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savannas |
area of tall grass and scatterd trees and srubs |
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steppes |
Semidry grasslands |
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permafrost |
frozen layers of soil |
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environment |
or surroundings |
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ecosystem |
a group of plants and animal depend on eachother. |
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habitat |
a place where a plant or animal live. |
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extinct |
to die out |
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humus |
decayed plant or animal matter |
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desertification |
the spread of desert like conditions. |
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natural resource |
any material in nature |
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renewable resource |
can use again |
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nonrenewable resource |
can't use it again |
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deforestation |
destroy trees |
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reforestation |
plant trees |
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fossil feuls |
nonrenewable resource from fossils |
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hydroelectric energy |
energy from water |
