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Environmental Science

Environmental Science
The phenomenon of accumulation of non-biodegradable pesticides in human beings

Bioremediation
Bioaccumulation
Biomagnification
Biodegradation

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Environmental Science
________ is diffused into the ground by gravitational force.

None of these
Rain water
Ocean
River water

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Environmental Science
In grassland ecosystem, the pyramid of biomass is

inverted
spindle shaped
upright
none of these

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Environmental Science
Nitrogen gas returns to the atmosphere by the action of

Nitrifying bacteria
Nitrogen fixing bacteria
Nitrate fertilizers
Denitrifying bacteria

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Environmental Science
Expand GIS

Geographical Information Source
Geographical Information System
Geological Index System
Geological Information System

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Environmental Science
Earth summit was held in

New York in 1972
Stockholm in 1972
Rio de Jeneiro in 1992
Paris in 1992

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