Create a custom practice set
Pick category, difficulty, number of questions, and time limit. Start instantly with your own quiz.
Generate QuizGK Question
The ionosphere is part of the thermosphere and reflects radio waves.
- True
- False
Answer: True
The ionosphere is a region within the thermosphere (60-1,000 km altitude) containing ionized particles that reflect radio waves, enabling long-distance communication. It is affected by solar activity and causes auroras near the poles.