Friday, October 12, 2012

Ozone

What is surface temperature? How does ozone both enable life on Earth and threaten it? How does the surface ozone form?  How does the surface ozone affect health?  
Ozone occurs naturally in Earth’s atmosphere wherever sunlight or chemical reactions break apart oxygen molecules. The ozone layer protects Earths inhabitants from the harmful rays of the sun. It’s harmful because it can break down and leave gaps through the ozone and this allows harmful rays through to the Earth’s surface. It is a product of air pollution, also called smog.  Breathing ozone can trigger a variety of health problems including chest pain, coughing, throat irritation, and congestion. It can worsen bronchitis, emphysema, and asthma. Ground level ozone also can reduce lung function and inflame the linings of the lungs. Repeated exposure may permanently scar lung tissue. The VOC is made up of  volatile organic compounds. For example paints, varnishes, wax, fuels, cleaning, disinfecting, cosmetic, degreasing, and hobby products. The NOx made of nitrogen oxide gases. Also a group of highly reactive gases. The reaction of VOC and NOx forms surface ozones.

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