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ENVIRONMENTAL SCIENCE

Environmental Science
Infection of HIV is usually detected by which test

Elisa test
Gram staining
None
Hybridization

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Environmental Science
Which functional feeding groups are involved in the process of in-stream physical breakdown of coarse material into fine particulate organic matter?

Grazers
Collector filterers
Collector gatherers
Shredders

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Environmental Science
When the air temperature is below freezing, the saturation vapour pressure over water is .

Less than the saturation vapour pressure over ice
Greater than the saturation vapour pressure over ice
Equal to the saturation vapour pressure over ice
Equal to zero

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Environmental Science
What is the major cause of diminishing wildlife number?

Paucity of drinking water
Habitat destruction
Felling of trees
Cannibalism

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Environmental Science
The destruction of habitat of plants and animals is called

flood
habitat loss
endemism
endangered species

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