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Environmental Science

Environmental Science
Minute particles and liquid droplets are collectively called

Aerosols
UV radiation
Ozone
Convection current

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Environmental Science
What is "Black Lung"?

Occupational Hazard to the miners
Occupational Hazard to pesticide applicators
None of these
Occupational Hazard to navigators

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Environmental Science
Of the gases listed below, which is not believed to be responsible for enhancing the earth's greenhouse effect?

Carbon dioxide (CO2)
Molecular oxygen (O2)
Chlorofluorocarbons (CFCs)
Nitrous oxide (N2O)
Methane (CH4)

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Environmental Science
Atmospheric ozone layer which protect us from UV-B and C is getting depleted most by addition of

carbon dioxide
chlorofluorocarbon
carbon monoxide
sulpur dioxide

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Environmental Science
_________ mixed with diesel reduces carbon monoxide emissions up to 50%.

Ethanol
Alcohol
Phenol
Methanol

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Environmental Science
"Earth provides enough to satisfy every man's need, but not for every man's greed" words by

Tagore
None
Gandhiji
Nehru

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