Topic Content:
- Depletion of the Ozone Layer
- Effects of Depletion of the Ozone Layer
Scientists’ studies of the atmosphere, show that the ozone layer of the atmosphere has been gradually depleting (that is reducing) since 1975.
Polluting activities of human beings lead to the release of dangerous gases into the atmosphere, such as chlorofluorocarbon, CFC, carbon dioxide, oxides of nitrogen, and radiation, which is an invisible and extremely dangerous form of pollution.
Chlorofluorocarbons (CFCs) are found in various applications such as in air-conditioning, refrigeration, deodorants, insecticides, blowing agents in plastic formation, insulations and packing materials, propellants in aerosol cans, and as solvents.
The manner in which chlorofluorocarbon destroys the ozone layer is briefly described as follows:
1. Chlorine from CFC reacts with ozone (O3) forming chlorine monoxide (Cl.O) and oxygen (O2)
Cl + O3 → Cl.O + O2.
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