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Environmental Science

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

Habitat destruction
Paucity of drinking water
Cannibalism
Felling of trees

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Environmental Science
_________ are used for converting saline or brackish water into pure distilled water.

Photo voltaic cells
Solar water-heating
Solar cookers
Solar desalination systems

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Environmental Science
The unit of pressure most commonly found on a surface weather map is:

Pounds per square inch
Inches of mercury (Hg)
Millimeters of mercury (Hg)
Millibars or hectopascals

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Environmental Science
A heat transfer process in the atmosphere that depends upon the movement of air is:

Convection
Conduction
Radiation
Reflection
Absorption

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Environmental Science
Many freshwater animals cannot live for long in sea water and vice versa mainly because of the

Variations in light intensity
Change in N levels
Spectral quality of solar radiation
Osmotic problems
Change in the levels of thermal tolerance

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Environmental Science
The source of energy in an ecosystem is

Sunlight
ATP
R.N.A
N.A

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