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Environmental Science

Environmental Science
Non-lonizing radiations with specific biological effects are

Gamma rays
Beta-rays
X-rays
UV radiations

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Environmental Science
Which one of the following is the correct percentage of the two green house gases that contribute to the total global warming?

Methane-20%, N2O-18%
CFCs -14%, Methane-20%
CO2-40%,CFCs-30%
N2O-6%, CO2 -86%

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Environmental Science
Electromagnetic radiation with wavelengths between 0.4 and 0.7 micrometers is called:

Visible light
Ultraviolet light
Microwaves
Infrared light

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Environmental Science
In the middle latitudes of the Northern Hemisphere, surface winds tend to blow ____ and ____ around an area of surface low pressure.

Counterclockwise; outward
Clockwise; inward
Counterclockwise; inward
Clockwise; outward

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Environmental Science
What is Plankton?

none
bottom dwelling aquatic organisms
large plants in water
Microscopic floating organisms - Plants and animals.

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Environmental Science
Air pollution is likely to be most severe

in the interior of continents
in the summer
near the center of an anticyclone
when the atmosphere is turbulent

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