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Environmental Science

Environmental Science
Carbon dioxide is a naturally-occurring component of the atmosphere.

1

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Environmental Science
A river with high BOD value is

highly polluted
none of these
highly clean
highly productive

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Environmental Science
The pollution which does not persistent harm to life supporting system is

Organochlorine pollution
Noise pollution
All of these
Radiation pollution

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Environmental Science
The lowest temperature is usually observed:

Around sunrise
Several hours before sunrise
Several hours after sunrise
Near midnight
At the time of sunset

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Environmental Science
The thickness of ozone layer is measured in

Mm
Hg
Du
Nm

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Environmental Science
Biotic potential is counteracted by

Limitation of food supply
None of these
Producer is the largest
Competition with other organisms

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