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Environmental Science

Environmental Science
What is troposphere?

Portion of water
Lowest layer of atmosphere where we survive
Portion of sky
Portion of air

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Environmental Science
Example of primary pollutant

CO
SO2
NO2
hydrocarbons

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Environmental Science
Earth summit was held in

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

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Environmental Science
Particulate pollutants are

are small solid particles and liquid droplets
all of these
liquid droplets in atmosphere
are small solid particles released into the atmosphere

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Environmental Science
Water used for paper mills should not contain

magnesium
sodium
chlorine
iron

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Environmental Science
What is oil slick?

Thin film of oil in sea water
Oil in deep sea
Boiled oil
Cooled oil

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MORE MCQ ON Environmental Science

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