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Environmental Science

Environmental Science
Gas released during photosynthesis is

Methane
Nitrogen
Carbon dioxide
Oxygen

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Environmental Science
The presence of high coliform counts in water indicates

phosphorus contamination
decreased Biological Oxygen Demand
contamination by human wastes
hydrocrbon contamination

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Environmental Science
As the air temperature increases, with no addition of water vapor to the air, the dew point will:

Decrease
Remain the same
Increase and become equal to the air temperature
Increase

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

Biomagnification
Bioremediation
Bioaccumulation
Biodegradation

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Environmental Science
The gas that absorbs most of the harmful ultraviolet radiation in the stratosphere:

Ozone
Water vapor
Carbon dioxide
Nitrous oxide
Chlorofluorocarbons

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Environmental Science
The formation of __________ is the most characteristic feature in upper course of a river

waterfalls
landslide
gorges
canyons

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MORE MCQ ON Environmental Science

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