Which of the following is/are correct in matching the layer of atmosphere and its characteristic ?
I. Troposphere : weather phenomena
II. Stratosphere : ozone layer
III. Ionosphere : radio waves reflected to earth's surface
IV. Mesosphere : Aurorae
A. I, II, III and IV
B. I, II and IV
C. II and III
D. I, II and III
Answer: Option D
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