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प्रश्न
Name the following pollutants:
Any two chemicals leading to the formation of ozone holes.
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उत्तर
- Bromochlorodifluoromethane
- chlorofluoromethane
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संबंधित प्रश्न
What is the function of ozone in the upper atmosphere?
Why is damage to the ozone layer a cause for concern? What steps are being taken to limit this damage?
Fill in the following blank with suitable word :
Ultraviolet rays can cause skin..............
How is ozone formed in the higher level of atmosphere?
Which compounds are responsible for the depletion of ozone layer?
How are CFCs harmful?
Fill in the Blanks:
______ is manmade compounds that have been widely used as refrigerants and in spray propellants and foam blowing.
Enumerate methods of protecting the ozone layer and preventing its depletion.
Which of the following may be a conclusion of the excessive exposure of humans to sun’s ultraviolet rays?
- Peptic ulcers
- Eye disease like cataract
- Damage to lungs
- Skin cancer
Why was there a sharp in the amount of ozone in the atmosphere in 1980’s.
