valentines2005 valentines2005

27-10-2017
Biology

contestada

Dvd Credit card Stereo speaker Computer hard drive The listed devices all use which force? A) X rays B) magnetism C) electricity D) ultra violet radiation

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abovegroundmine abovegroundmine

27-10-2017

B. Magnetism? That how headphones work so id imagine same principle.

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jorgereyes01 jorgereyes01

27-10-2017

I believe it is c because these electronic things need some sort of spark to work, but i am not entirely sure. I hope this helps :D

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