All electromagnetic radiation:
O A. travels at the same speed in a vacuum.
B. can travel through empty space.
C. consists of photons.
O D. is visible light.

O D. is visible light

Explanation:

The different types of electromagnetic radiation shown in the electromagnetic spectrum consists of radio waves, microwaves, infrared waves, visible light, ultraviolet radiation, X-rays, and gamma rays. The part of the electromagnetic spectrum that we are able to see is the visible light spectrum

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one would be wind another would be water density

find out why you don't need to aim at such a syllable pattern in english. you may have thought that haiku was supposed to be 5-7-5, so what's up with the logo by the gravitational pull of celestial objects, can touch us in unexpected ways.