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Environmental Science

Environmental Science
The concept of ecological pyramid was first proposed by

E.P. Odum
Charles Elton
Juday
G. Tansley

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Environmental Science
The percentage of water vapour present in the air compared to that required for saturation is the:

Dew point
Relative humidity
Absolute humidity
Specific humidity
Mixing ratio

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Environmental Science
As the difference between the air temperature and the dew point increases, the relative humidity:

Increases
Decreases
Remains constant at a value less than 100%
Remains constant and equal to 100%

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Environmental Science
The presence of solid, liquid or gaseous compounds, which may not be normally present, or in excess concentration in the atmosphere is called

soil pollution
water pollution
air pollution
radioactive pollution

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Environmental Science
The combustion of waste in the absence of Oxygen is called

None
Hydrolysis
Haemolysis
Pyrolysis

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Environmental Science
Eutrophication results from

Agricultural and sewage water
Industrial effluents
Pesticides
Vehicle exhaust

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MORE MCQ ON Environmental Science

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