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प्रश्न
Assertion (A): Oxygen plays a key role in the troposphere.
Reason (R): Troposphere is not responsible for all biological activities.
पर्याय
Both (A) and R are correct and (R) is the correct explanation of (A)
Both (A) and (R) are correct and (R) is not the correct explanation of (A)
Both (A) and (R) are not correct
(A) is correct but (R) is not correct
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उत्तर
(A) is correct but (R) is not correct
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संबंधित प्रश्न
What are the reactions involved for ozone layer depletion in the stratosphere?
Ozone depletion will cause ______.
Which is considered to be the earth’s protective umbrella? Why?
Which of the following statements is wrong?
Which of the following statements is correct?
On the basis of chemical reactions involved, explain how do chlorofluorocarbons cause thinning of ozone layer in stratosphere.
How is ozone produced in stratosphere?
Assertion (A): Ozone is destroyed by solar radiation in upper stratosphere.
Reason (R): Thinning of the ozone layer allows excessive UV radiations to reach the surface of earth.
Polar stratospheric clouds facilitate the formation of ______.
