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Environmental Science

Environmental Science
Which of the following spatial units is the largest in terms of scale?

River segments
Mesohabitats
River reaches
Patches

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Environmental Science
The practical problem in hydrogen production is its

weight
valency
chemical property
atomicity

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Environmental Science
Harmful trace metals in fly ash:

All of these
antimony
arsenic
cadmium

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Environmental Science
Killing of animals disturbs

Good for man
Good for eco system
None
The balance of nature

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Environmental Science
Air pollution can be of

both a and b
artificial or man made origin
natural origin
b only

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Environmental Science
Infection of HIV is usually detected by which test

Elisa test
Gram staining
Hybridization
None

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