Environmental Science
The areas where soil is washed away into streams, transported into rivers and finally lost to the sea are called

Ecologically sensitive areas
Delta
Biologically sensitive areas
Grasslands

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Environmental Science
The order of succession in a lithosere or xerosere is

Foliose lichen stage->Crustose lichen stage->moss stage->herb stage>shrub stage->forest stage (climax community)
Crustose lichen stage->Foilose lichen stage->moss stage->herb stage>shrub stage->forest stage (climax community)
Moss stage ->Foilose lichen stage-> Crustose lichen stage ->herb stage->shrub stage->forest stage (climax community)
Crustose lichen stage->Foilose lichen stage->moss stage-> ->shrub stage-> herb stage->forest stage (climax community)

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Environmental Science
The atmospheric greenhouse effect is produced mainly by the:

Absorption and re-emission of visible light by the ground
Absorption and re-emission of visible light by the atmosphere
Absorption and re-emission of visible light by clouds
Absorption and re-emission of ultraviolet radiation by the atmosphere
Absorption and re-emission of infrared radiation by the atmosphere

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