सूरज से निकले विनाशकारी रे – McqOptions

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1.	सूरज से निकले विनाशकारी रेडिएशन से निम्न में से कौन जीवन सुरक्षा करता है -
A.	त्रोपोस्पीकर
B.	आइनोस्पीकर
C.	ओजोन की परत
D.	धुंध
Answer» D. धुंध

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