Civil Services Kerala (കേരളം) PSC KAS Prelims Test Series 2025 General Knowledge Geography (World Geography) Climatology
A layer in the Earth's atmosphere called Ionosphere facilitates radio communication. Why?
1. The presence of ozone cause the reflection of radio waves to Earth.
2. Radio waves have a very long wavelength.
Which of the statements given above is/are correct?
1
1 only
2
2 only
3
Both 1 and 2
4
Neither 1 nor 2