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प्रश्न
Fill in the following blank with suitable word :
Ultraviolet rays can cause skin..............
उत्तर
Ultraviolet rays can cause skin cancer.
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संबंधित प्रश्न
Why is damage to the ozone layer a cause for concern? What steps are being taken to limit this damage?
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.
Which pollutant released into the air during refrigeration and airconditioning is the greatest contributor to the depletion of ozone layer?
(a) BHC
(b) DDT
(c) CFC
(d) UNEP
The depletion of ozone layer in the upper atmosphere is mainly due to the emission of :
(a) unburnt hydrocarbons
(b) chlorofluorocarbons
(c) greenhouse gases
(d) ultraviolet radiations
Describe the methods of saving the ozone layer.
Long answer type question
Montreal protocol is an essential step. Why is it so?
The substance which is chiefly responsible for the depletion of ozone layer is ______.
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 ______.
World Ozone day is celebrated on ______.
