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Environmental Science

Environmental Science
The source of aerosol in upper atmosphere is

petroleum based industries
ruminants
jet planes
sea currents

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Environmental Science
Pollutants that are introduced into the environment by human activity are called as

quantitative pollutants
anthropogenic pollutants
qualitative pollutants
all of these

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Environmental Science
At what time of day is the relative humidity normally at a minimum?

Just before sunrise
When the air temperature is lowest
When the air temperature is highest
About midnight

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Environmental Science
What is Plankton?

bottom dwelling aquatic organisms
large plants in water
Microscopic floating organisms - Plants and animals.
none

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Environmental Science
Which of the radioactive material is largely associated with bone cancer

Radium-226
Iodine
Thorium-232
Strontium-90

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Environmental Science
_________ is mixed with petrol for being used in automobiles.

Ethanol
Methanol
Propanol
Gasohol

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MORE MCQ ON Environmental Science

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