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Environmental Science

Environmental Science
Ultraviolet radiation which is not lethal but harm to the organism is

0.1 to 0.28
0.32-0.4
0.4-0.5
0.28-0.32

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Environmental Science
The effects of radioactive pollutants depends upon

Rate of deposition of the contaminant
Energy releasing capacity
All of these
Rate of diffusion

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Environmental Science
The horizontal extent of the ozone hole can sometimes exceed the size of the Antarctic continent.

1

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Environmental Science
Who had stated in the Stockholm Conference in 1972 that poverty was the greatest polluter?

Jawaharlal Nehru
Indira Gandhi
Mahatma Gandhi
Rajiv Gandhi

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Environmental Science
Carbon monoxide is a pollutant because it

reacts with haemoglobin
inactivates nervous system A
reacts with 02
inhibits glycolysis

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Environmental Science
Sedimentation is a

Secondary water treatment
Final process
Primary water treatment
Tertiary water treatment

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