Ozone layer depletion
- If ozone hole appears in tropical and temperate regions, it could cause a series of health problems.
- Ozone hole occurence is a seasonal phenomenon.
- Over South America
- Over Africa
- Over Australia
- Over Antartica
- Carbon dioxide
Why the usage of the following products given in the image have to be minimized?
They are expensive.
They contain CFC(Chlorofluorocarbons).
They contain inflammable material.
They are not easily disposed.
The ozone layer protects the environment by:
Not allowing sun rays to enter earth's atmosphere.
Producing more oxygen.
Not allowing harmful UV rays to enter earth's atmosphere.
Ozone layer is harmful for our environment.
Which of these is a major component in coolant in refrigerators?
What layer in the atmosphere is responsible for filtering out solar radiation?
- Traps heat on Earth
- All of the above
- Prevention of skin cancer
- Protection from UV light
The major cause for depletion of ozone layer in stratosphere can be attributed to:
Increased usage of CFCs.
Decreased use of CFCs.
Increase in sulphur dioxide and carbon monoxide.
Increase in the level of greenhouse gases.