Biology, 22.09.2019 10:00 salazarx062
Which kind of wave would be observed in outer space between planets , where there is very little matter ? a . an electromagnetic wave , such as an x-ray b. an electromagnetic wave , such as a sound wave . c. a mechanical wave , such as an x-ray . d . a mechanical wave , such as a sound wave .
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Which kind of wave would be observed in outer space between planets , where there is very little mat...
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