Ozone
Beginning of paper
(O3) is a molecule consisting of three oxygen atoms, similar to the oxygen
we breathe (O2), however oxygen consists of only two oxygen atoms. In the
stratosphere, a region high up in the upper atmosphere, light rays are
responsible for the breaking down of oxygen (O2), breathable oxygen into its ....
Middle of paper
.... twenty
percent of air and ozone makes up only 3 x 10-5 percent of air. Furthermore,
this minuscule amount of ozone is enough to protect the earth from most
ultraviolet light. Ozone prevents most UV-B radiation from reaching the surface
of the earth (Environment Canada, 1996). Ozone is very important to life on
earth because the harmfulness of high-energy UV-B radiation stems from the high
energy of these light rays, enabling them to penetrate deeply into water, plant
tissue and e ....
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Word count: 1858
Page count: 7 (approximately 250 words per page)
