Advertisements
Advertisements
प्रश्न
The chemicals leading to the formation of ozone holes.
Advertisements
उत्तर
Chloroflurocarbons/CFCs
APPEARS IN
संबंधित प्रश्न
You have been selected to talk on 'ozone layer and its protection" in the school assembly on 'Environment Day.'
(a) Why should ozone layer be protected to save the environment?
(b) List any two ways that you would stress in your talk to bring in awareness amongst your fellow friends that would also help in protection of ozone layer as well as the environment.
How Ozone is Formed?
The excessive exposure of humans to ultraviolet rays results in:
- damage to immune system
- damage to lungs
- skin cancer
- peptic ulcers
Number of Oxygen atom in Ozone.
Long answer type question
Montreal protocol is an essential step. Why is it so?
Depletion of ozone is mainly due to
Gas A, found in the upper layers of the atmosphere, is a deadly poison but is essential for all living beings. The amount of this gas started declining sharply in the 1980s.
- Identify Gas A. How is it formed at higher levels of the atmosphere?
- Why is it essential for all living beings? State the cause for the depletion of this gas.
State the essential function performed by ozone at the higher levels of the atmosphere.
Why was there a sharp in the amount of ozone in the atmosphere in 1980’s.
In 1987, an agreement was formulated by the United Nations Environment Programme (UNEP) to freeze the production of “X” to prevent the depletion of “Y”. “X” and “Y” respectively referred to here are ______.
