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Environmental Science

Environmental Science
BOD of a river water is found very high. This means water

contain many dissolved minerals
contain Algae
is clear
is highly polluted

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Environmental Science
_________ ecosystems are maintained artificially by man.

Man-made
Marine
Artificial
Brackish

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Environmental Science
Which of the following weather elements always decreases as we climb upward in the atmosphere?

Moisture
Pressure
Wind
Temperature
All of these

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Environmental Science
The density of water vapour in a given parcel of air is expressed by the:

Relative humidity
Specific humidity
Saturation vapor pressure
Absolute humidity
Mixing ratio

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Environmental Science
What are rodenticides?

That kill insects
That kill rats
That kill crocos
That kill fishes

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Environmental Science
Cigarette smoking exposes one to __________

Sulphur dioxide
Nitrogen peroxide
Carbon dioxide
Carbon monoxide

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