1.

Which of the following is/are correct in matching the layer of atmosphere and its characteristic ?I. Troposphere : weather phenomenaII. Stratosphere : ozone layerIII. Ionosphere : radio waves reflected to earth's surfaceIV. Mesosphere : Aurorae

A. I, II, III and IV
B. I, II and IV
C. II and III
D. I, II and III
Answer» E.


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