Respuesta :
The characteristic that all parts of the electromagnetic spectrum share is that they travel at the same speed through empty space.
What is electromagnetic spectrum?
Electromagnetic spectrum refers to the range of all the types of electromagnetic radiation.
The electromagnetic radiation in the spectrum possess different wavelengths and frequencies and are as follows:
- Radio waves
- Ultraviolet radiation
- Visible light
- microwaves
- infrared
- X-rays
- gamma-rays
However, the characteristics that all parts of the electromagnetic spectrum share is that they travel at the same speed through empty space i.e. 3 × 10⁸m/s.
Learn more about electromagnetic spectrum at: https://brainly.com/question/15576247