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Environmental Science

Environmental Science
Which of the following gases has role an important in maintaining atmospheric temperature?

Carbon dioxide
Oxygen
Nitrogen
Argon

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Environmental Science
All the genes of a population is called

gene bunch
gene population
gene pool
genome

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Environmental Science
Thickness of plastic cover permissible to use

20 Microns
50 Microns
10 Microns
100 Microns

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Environmental Science
In India, tropical evergreen forests occur in

Madhya Pradesh
Tamil Nadu
Himachal Pradesh
Assam

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Environmental Science
Which of the following has a wavelength shorter than that of violet light?

Green light
Infrared radiation
Blue light
Ultraviolet radiation
Red light

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Environmental Science
Scientists are able to determine the air temperature in the thermosphere by:

Using radiosondes
Observing changes in satellite orbits
Direct measurements in manned, high-altitude balloons
Using temperature probes in orbiting satellites

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