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Homeby Witness Moecki
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RE: Shock Waves: Cause of Sonic Boom

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thescienceguy (49)in #steemiteducation • 8 years ago (edited)

I just joined 2 days ago
and it shows my interest?
anyway removed

8 years ago in #steemiteducation by thescienceguy (49)
$0.00
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