Environmental Science
The occurrence of pesticides like DDT in higher trophic levels is termed as

biomagnification
bioremediation
biopollution
biological enhancement

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Environmental Science
The order of succession in a hydrosere is

Rooted aquatic plants-> phytoplankton->Free floating stage->Reed swamp stage->Sedge Meadow stage-> wood land stage-> Climax forest
phytoplankton->Rooted aquatic plants->Free floating stage->Reed swamp stage-> wood land stage-> Sedge Meadow stage-> Climax forest
phytoplankton->Rooted aquatic plants->Free floating stage->Reed swamp stage->Sedge Meadow stage-> wood land stage-> Climax forest
Rooted aquatic plants-> phytoplankton->Free floating stage-> Sedge Meadow stage-> Reed swamp stage-> wood land stage-> Climax forest

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Environmental Science
The climate of a given region is

average temperature and precipitation conditions
its weather patterns
its weather
average temperature and precipitation conditions for every day of the year in a given region

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