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Environmental Science

Environmental Science
Burning of coal produces oxides of sulphur and nitrogen which combined with water vapor leads to

brackish water
forest fire
acid rain
soil pollution

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Environmental Science
_________ ecosystems are maintained artificially by man.

Brackish
Man-made
Artificial
Marine

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Environmental Science
The ratio of the mass of water vapour in a given volume (parcel) of air to the mass of the remaining dry air describes the:

Mixing ratio
Dew point
Absolute humidity
Relative humidity

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Environmental Science
As it travels along the food chain, the concentration of DDT

increases
remains constant
decreases
fluctuates randomly

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Environmental Science
How much radiant energy will an object emit if its temperature is at absolute zero?

Depends on the chemical composition of the object
None
The same as it would at any other temperature
The maximum theoretical amount

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Environmental Science
When number of food chains is interlocked this is called

food web
pyramid
food link
food chain

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MORE MCQ ON Environmental Science

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