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RE: Science Challenge # 2 - What is Aluminium Oxide?
Congratulations on giving the right answer. Your reward has been transfered to your account :) You can see the result post at
https://steemit.com/steemstem/@pisolutionsmru/science-challenge-result-2-what-is-aluminium-oxideWant to participate in the next Science Challenge, check out
Science Challenge # 3 - Do you know your hair?