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Environmental Science

Environmental Science
Air is composed of gases, water vapours and

light
dust particles
rainfall
snowfall

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Environmental Science
When oil and gas resources are burnt they kill many forests and lakes by

water pollution
deforestation
forest fire
acid rain

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Environmental Science
Scientists are able to determine the air temperature in the thermosphere by:

Using temperature probes in orbiting satellites
Using radiosondes
Observing changes in satellite orbits
Direct measurements in manned, high-altitude balloons

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Environmental Science
Example of primary pollutant

NO2
hydrocarbons
SO2
CO

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Environmental Science
World's most problematic aquatic weed is

wolffia
azolla
trapa
eichornia

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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
Nehru
None
Gandhiji

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MORE MCQ ON Environmental Science

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