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Environmental Science

Environmental Science
Soil erosion can be prevented by

Afforestation
Removal of vegetation
Overgrazing
Deforestation

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Environmental Science
The slow rate of decomposition of fallen logs in nature is due to their

poor nitrogen content
low moisture content
anaerobic environment around them
low cellulose content

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Environmental Science
The sun emits its greatest intensity of radiation in:

The x-ray portion of the spectrum
The visible portion of the spectrum
The ultraviolet portion of the spectrum
The infrared portion of the spectrum

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Environmental Science
The famous Minamata disease in Japan is due to the accumulation of____________in fishes.

Lead
Zinc
Cadmium
Mercury

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Environmental Science
Which of the following rock types would most likely be the best oil reservoir?

Salt
Sandstone
Shale
Granite

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Environmental Science
One greenhouse gas contributes 14% to total global warming and another contributes 6%. These are respectively identified as

CFCs and CO2
CFCs and N2O
Methane and CFCs
N2O and CO2
Methane and CO2

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