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ENVIRONMENTAL SCIENCE

Environmental Science
Which of the following gases has role an important in maintaining atmospheric temperature?

Argon
Oxygen
Carbon dioxide
Nitrogen

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Environmental Science
Harmful trace metals in fly ash:

arsenic
cadmium
antimony
All of these

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Environmental Science
The term Ecosystem was coined by

Odum
Clements
Arthur G Tansley
Elton

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Environmental Science
_________ ecosystems are maintained artificially by man.

Man-made
Artificial
Marine
Brackish

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Environmental Science
Cement factory labourers are prone to

asbestosis
leukemia
bone marrow disease
cytosilicosis

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