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Title: Infra-red radiation is produced by Post by: einsteindude on Dec 2, 2014 Infra-red radiation is produced by
A) electric currents oscillating in human-made electronic devices. B) molecules in thermal motion. C) electrons orbiting around the nucleus in atoms. D) mechanical oscillators that move air back and forth. E) nuclear vibrations. Title: Re: Infra-red radiation is produced by Post by: mel!811 on Dec 3, 2014 Content hidden
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