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Environmental Science

Environmental Science
The earth's atmosphere is divided into layers based on the vertical profile of:

Air density
Air temperature
Air pressure
Wind speed

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Environmental Science
Bell-shaped polygonal pyramid indicates

low percentage of old individuals
high percentage of young individuals
low percentage of young individuals
moderate percentage of young individuals

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Environmental Science
Example for a physical pollutant

Water
Air
Radiation
Plant

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Environmental Science
Which of the following will increase in a rising parcel of air?

Air temperature
Saturation vapor pressure
None of these
Mixing ratio
Relative humidity

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Environmental Science
Thermal belts are usually found

None of these
On hillsides
On valley floors
On mountain tops

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Environmental Science
The most important reason for decrease in biodiversity is

Over-exploitation
Habitat destruction
Habitat pollution
Introduction of exotic species

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MORE MCQ ON Environmental Science

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