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प्रश्न
What is the difference between stratospheric and ground level ozone?
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उत्तर
Stratospheric ozone or good ozone is a layer surrounding the earth’s atmosphere. It protects all life on earth from the damaging effects of the sun’s rays. Ground level ozone is formed by a photochemical reaction between atmospheric oxygen (O2) and smog forming chemicals at the earth’s surface, it is odourless and colourless, but can have profound effects on the human respiratory system.
संबंधित प्रश्न
How does ozone affect any ecosystem?
How Ozone is Formed?
O2 is converted into O3 by the action of :
(a) infrared radiations
(b) ultraviolet radiations
(c) gamma radiations
(d) cosmic radiations
Why is ozone layer called ozone umbrella/shield?
How are CFCs harmful?
Explain what is smog. Give its effects.
State two effects of ozone depletion.
How is ozone formed in the upper atmosphere? State its importance. What is responsible for its depletion? Write one harmful effect of ozone depletion.
Global warming is a phenomenon related 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.
