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09-05-2021
Biology

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23. Which is NOT an electromagnetic wave?
A. sound
C. infrared wave
B. microwave
D. ultraviolet ray

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namasikumukulwamutiy namasikumukulwamutiy

10-05-2021

Answer:

sound

Explanation:

electromagnetic waves travel at the speed of light, for example when there is a thunder storm the lightening is seen before the thunder is heard

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