A layer in the Earth's atmosphere called Ionosphere facilitates radio – McqOptions

MCQOPTIONS

1.	A layer in the Earth's atmosphere called Ionosphere facilitates radio communication.Why? 1. The presence of ozone causes the reflection of radio waves to Earth. 2. Radio waves have a very long wavelength. Which of the statements given above is fare correct? [CSAT 2011]
A.	1only
B.	2 only
C.	Both 1and 2
D.	Neither 1 nor 2
Answer» E.

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