A. Magnetic waves
B. Radio waves
C. Ultrasonic waves
D. Electric Waves
🧠 Explanation:
Mobile phones send and receive messages via radio waves, enabling communication. For tech students, this highlights telecommunications, making it a key topic for studying IT, engineering, and technology. Radio waves drive connectivity. Understanding this ensures knowledge of communication systems. It’s essential for analyzing IT, engineering, and technology. Studying radio waves offers insights into how devices connect, crucial for IT, telecommunications, and engineering.
