Poll Results
Please login to vote and see the results.
Lost your password? Please enter your email address to get a reset link.
Please briefly explain why you feel this question should be reported.
Please briefly explain why you feel this answer should be reported.
Please briefly explain why you feel this user should be reported.
Explanation:
Second ozone hole was detected over Tibet in the year 2006.
Ozone is a form of oxygen, acts as a high-altitude atmospheric screen against cancer-causing ultraviolet light.
The main source of these halogens in the stratosphere is photodissociation of man made halocarbon refrigerants, solvents, propellants and CFC’s.