original: The electromagnetic spectrum is the range of all possible frequencies of electromagnetic radiation.
simplifications: The electromagnetic spectrum is the range of frequencies of electromagnetic radiation. The electromagnetic spectrum is the range of all frequencies. The electromagnetic spectrum is the frequency range of radiation. The electromagnetic spectrum is the frequency range of electromagnetic radiation. The electromagnetic spectrum is the range of all electromagnetic radiation frequencies. The electromagnetic spectrum is the range of all frequencies of electromagnetic radiation. The electromagnetic spectrum is the range of electromagnetic radiation. The electromagnetic spectrum is the range of all frequencies of electromagnetic radiation. The electromagnetic spectrum is the span for all types of electromagnetic radiation. The electromagnetic spectrum is the set of all potential electromagnetic radiation.