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Environmental Science

Environmental Science
Eutrophication results from

Industrial effluents
Agricultural and sewage water
Vehicle exhaust
Pesticides

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Environmental Science
If the earth's average surface temperature were to increase, the amount of radiation emitted from the earth's surface would ____, and the wavelength of peak emission would shift toward ____ wavelengths.

Decrease, longer
Increase, longer
Increase, shorter
Decrease, shorter

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Environmental Science
Which of the following is mainly responsible for the extinction of wild life

All of these
Pollution of air and water
Hunting of flesh
Destruction of Habitats

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Environmental Science
The presence of high coliform counts in water indicates

hydrocrbon contamination
phosphorus contamination
contamination by human wastes
decreased Biological Oxygen Demand

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Environmental Science
At which temperature would the earth be radiating energy at the greatest rate or intensity?

105o F
32o F
60o F
-40o F
-5o F

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Environmental Science
Valuable, practical services that help to preserve ecosystem performed by nature are called

Biosphere balancing
Ecosystem service
Biological control
The green house effect

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MORE MCQ ON Environmental Science

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