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| | Earth Encyclopedia Article @ DemonSearch.com (Demon Search) (Site not responding. Last check: 2007-11-04) |
 | | These plates move in relation to one another at one of three types of plate boundaries: convergent, divergent, and transform. |
 | | Large areas are subject to extreme weather such as (tropical cyclones), hurricanes, or typhoons that dominate life in those areas. |
 | | Many localize areas are subject to human-made pollution of the air and water, acid rain and toxic substances, loss of vegetation (overgrazing, deforestation, desertification), loss of wildlife, species extinction, soil degradation, soil depletion, erosion, and introduction of invasive species. |
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