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Question
Describe the methods of saving the ozone layer.
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Solution
Methods to protect the ozone layer:
- Using alternative products such as HCFCs (hydrochlorofluorocarbons)
- Montreal Protocol, an international treaty, helps prevent ozone depletion.
RELATED QUESTIONS
Write the full name of CFC.
How does ozone layer protect us from harmful effects in the environment?
O2 is converted into O3 by the action of :
(a) infrared radiations
(b) ultraviolet radiations
(c) gamma radiations
(d) cosmic radiations
Give scientific reasons:
Ozone present in the stratosphere is called as “good ozone”.
What is Ozone?
Give Technical Terms:
The chemicals leading to the formation of ozone holes.
Fill in the Blanks:
______ is manmade compounds that have been widely used as refrigerants and in spray propellants and foam blowing.
State how CFCs break ozone in the stratosphere.
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.
