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Question
How is ozone formed in the upper atmosphere? Why is damage to ozone layer a cause of concern to us? What causes this damage?
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Solution
Ultraviolet radiations split the oxygen molecules present in stratosphere into free oxygen atoms. These free oxygen atoms then combine with molecular oxygen to form ozone.
O2 → O + O
O2 + O → O3
Ozone layer is a protective layer which protects the earth from harmful UV radiations. Any damage to the ozone layer would result in UV rays entering the earth's atmosphere. These UV rays can cause diseases such as skin cancer and cataract.
They can also adversely affect the crops.
The ozone layer is damaged as a result of chlorofluorocarbons. These are often used in refrigerators, air conditioners and fire extinguishers.
O2 → O + O
O2 + O → O3
Ozone layer is a protective layer which protects the earth from harmful UV radiations. Any damage to the ozone layer would result in UV rays entering the earth's atmosphere. These UV rays can cause diseases such as skin cancer and cataract.
They can also adversely affect the crops.
The ozone layer is damaged as a result of chlorofluorocarbons. These are often used in refrigerators, air conditioners and fire extinguishers.
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