A layer in the Earth’s atmosphere called ionosphere facilities 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/are correct? 

(a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2

4 views

1 Answers

(d) Neither 1 nor 2

4 views