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Environmental Science

Environmental Science
The thickness of ozone layer is measured in

Du
Hg
Nm
Mm

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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
Gas released during photosynthesis is

Methane
Oxygen
Carbon dioxide
Nitrogen

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Environmental Science
Man and biosphere programme is affiliated with

UNESCO
IUCN
WWF
WIPO

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Environmental Science
The first global environmental protection treaty "The Montreal Protocol" was signed on September 26 in

1987
1981
1985
1990

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Environmental Science
Barnacles growing on the back of whale is an example for

amensalism
mutualism
commensalism
parasitism

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MORE MCQ ON Environmental Science

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