Sagot :
Answer:
The electromagnetic spectrum is made up of radio waves, microwaves, infrared waves, visible light, ultraviolet light, and even X-rays and gamma rays.
These fields are perpendicular to each other. EM waves travel at a speed of 3 × 108 ms-1 in a vacuum. Gamma rays, microwaves, radio waves are examples of EM waves.
explanation:
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