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[Total over 77 SBD + 175 Steem power Awards] First Science-Fair on Steemit by SteemSTEM, Submission to Science Fair!! (Entry Post)

68
7 years ago
in#sciencefair
sciencefaircontestsciencesteemstemeducation
7 years ago
biuiam68
via steemit
$ 129.21
183
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30 Comments