where is ozone layer found in the atmosphere?what is its importance?write theharmfuleffectofUVrays
Asked by | 29th Jun, 2008, 01:05: AM
Ozone is found in the upper part of the atmosphere called stratosphere.
It acts as a shield, absorbing ultraviolet radiations from the sun.
DNA and proteins of living organisms preferentially absorb UV rays and its energy breaks the chemical bonds within these molecules. Hence UV rays are highly injurious to living organisms. UV rays may cause mutation to occur. It causes aging of skin, damage to skin cells and various types of skin cancers. These rays can also cause snowblindness cataract or may permanently damage the cornea.
Answered by | 29th Jun, 2008, 06:35: AM
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