User talk:109.240.165.21

December 2021
Hello, and welcome to Wikipedia. This is a message letting you know that one or more of your recent edits to Speed of sound have been undone by an automated computer program called ClueBot NG.

Thank you. ClueBot NG (talk) 07:03, 17 December 2021 (UTC)
 * ClueBot NG makes very few mistakes, but it does happen. If you believe the change you made was constructive, please read about it, [ report it here], remove this message from your talk page, and then make the edit again.
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 * The following is the log entry regarding this message: Speed of sound was changed by 109.240.165.21 (u) (t) ANN scored at 0.960567 on 2021-12-17T07:03:23+00:00