The presence of O3 in atmosphere of earth:?

Pollution Mcqs
BILAL KHATTAK0
A.Has been responsible for increasing the average global temperature in recent
B.Is advantageous since it supplies O2 for people travelling in jets
C.Hinders higher rate of photosynthesis
D.Helps in checking the penetration of ultra violet rays to earth
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Related Mcqs:

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  2. Select the correct statement.
  3. The main reason why vegetables take longer to cook in boiling water at high altitudes is because___________?
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  6. Need of determination of increment means:
  7. Advantage of social class is
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