3. Electromagnetic radiation is used in many forms of communication. Electromagn relatively long wavelengths are often used to transmit signals because these waves travel easily around objects. Which type of electromagnetic radiation is best for transmitting signals around objects? A. gamma rays B. radio waves C. ultraviolet rays D. x-rays

3. Electromagnetic radiation is used in many forms of communication. Electromagn relatively long wavelengths are often used to transmit signals because these waves travel easily around objects. Which type of electromagnetic radiation is best for transmitting signals around objects? A. gamma rays B. radio waves C. ultraviolet rays D. x-rays