Geography Chapter 3: Climate, Environment, and Resources
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22 terms
Terms | Definitions |
|---|---|
 weather | The short-term changes in the air for a given place and time |
| climate | a region's average weather conditions over a long period of time |
| prevailing winds | winds that blow in the same direction over large areas of Earth |
| ocean currents | large streams of surface seawater; they move heat around the Earth |
| front | the place where two air masses of different temperatures or moisture content meet |
| monsoon | a seasonal wind that brings either dry or moist air |
| savanna | an area of tall grasses and scattered trees and shrubs |
| steppe | a semidry grassland or prairie; they often border a desert |
| permafrost | permanently frozen layers of soil |
| environment | the land, water, climate, plants, and animals of an area; surroundings |
| ecosystem | a group of plants and animals that depend on each other for survival, and the environment in which they live |
| habitat | the place where a plant or animal live |
| extinct | no longer here; a species that has died out |
| humus | decayed plant or animal matter; it helps soil support abundant plant life |
| desertification | the spread of desert-like conditions |
| natural resource | any material in nature that people use and value |
| renewable resource | a resource that Earth replaces naturally, such as water, soil, trees, plants, and animals |
| nonrenewable resource | a resource that cannot be replaced naturally, like coal and petroleum |
| deforestation | the clearing of trees |
| fossil fuels | nonrenewable resources that formed from the remains of ancient plants and animals; like coal, petroleum, and natural gas |
| hydroelectric power | the production of electricity from waterpower, such as running water |
| reforestation | planting trees to replace lost forestland |
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