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Radio waves transmitted from the earth are reflected back by the:
AStratosphere
BExosphere
CIonosphere
DTroposphere
Answer & Solution
Correct answer: C. Ionosphere
1. It holds electrically charged ions.
2. The ionosphere reflects radio waves.
3. Temperature rises with height there.
_Source: NCERT Class 11 Fundamentals of Physical Geography, Chapter 8, Composition and Structure of Atmosphere._
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