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  1. Soil protection Plants directly protect the land from the attack of sun, wind and rainfall...controling the humidity, the climate. If land are exposed to wind, soil particles will be deposited elsewhere. Water may ...

    分類:環境 > 其他 - 環境 2007年08月02日

  2. ...the study of chemicals and chemical processes within the air, water, and soil . It also involves studying how these chemicals get...

    分類:環境 > 其他 - 環境 2017年06月02日

  3. ...material being moved. * Creep: very slow movement of rock or soil downslope. * Falls: rapid fall of rock and earth material from vertical or near...

    分類:環境 > 其他 - 環境 2008年04月01日

  4. ...trunk and branches, 等等 2008-11-17 21:56:46 補充: will also change in the soil the potential of hydrogen, and in dissolved soil metal. But the ...

    分類:環境 > 其他 - 環境 2008年11月18日

  5. First, the aluvium soil in that regiis very fertile which is good fo farming. Second...

    分類:環境 > 其他 - 環境 2007年05月09日

  6. ...human can stop landslide. Landslide is the downslope movement of rock and soil at fast speed under the gravity pull. Landslide affect us by ...

    分類:環境 > 其他 - 環境 2008年12月09日

  7. ... for food,the animals will die of starvation. 2. If the soil lacks nutrients,there will be fewer plants and the...

    分類:環境 > 其他 - 環境 2011年01月02日

  8. ...liquid spills, wastewater discharges, eutrophication and littering. Soil contamination occurs when chemicals are released by spill...

    分類:環境 > 其他 - 環境 2008年06月04日

  9. ...like volcanoes. Acid rain causes extensive damage to water, forest, soil resources and even human health. Many lakes and streams...

    分類:環境 > 其他 - 環境 2007年07月20日

  10. ...and manufacturing, people have also had to worry about air quality and soil contamination.

    分類:環境 > 其他 - 環境 2017年06月02日