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Chapter 13 Earth as a System: Energy, Matter, and Life - Part 2

Which layer of the atmosphere contains the ionosphere where radio waves bounce back?

Type: MCQ • Marks: 1
Which layer of the atmosphere contains the ionosphere where radio waves bounce back?
Options
A. Stratosphere
B. Mesosphere
C. Thermosphere / Ionosphere
D. Troposphere
Explanation
The ionosphere within the thermosphere reflects radio communications.
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Class 9th Science (MCQ)

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