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The green house effect
o Not all bad if the green house gases weren't there out planet would be covered in
o The green house effect is the process in which the absorption and subsequent
emission of infrared radiation by atmospheric gases warms the lower atmosphere
and the plants…

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o UV is split into 3 categories UV-a, UV-b and UV-c. these are based on the
wavelength of the UV light
UV-a is 320-400nm wavelength and only 5% is absorbed by the ozone
UV-b is 280-320nm wavelength and 95% of this absorbed this is good
because this is the one…


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