Radio waves transmitted from the earth are reflected back by the:
AIonosphere
BTroposphere
COzone layer
DExosphere
Answer & Solution
Correct answer: A. Ionosphere
1. One layer holds electrically charged particles.
2. The ionosphere reflects radio waves back to the earth.
3. That is what makes long-range radio possible.
_Source: NCERT Class 11 Geography, 'Composition and Structure of Atmosphere' (kegy207)_
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