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?

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

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?
A.	only
B.	only
C.	oth 1and 2
D.	either 1 nor 2
Answer» E.