User talk:47.31.104.124

January 2019
Hello, I'm Bennv3771. An edit that you recently made to Quantum mechanics seemed to be a test and has been removed. If you want more practice editing, please use the sandbox. If you think a mistake was made, or if you have any questions, you can leave me a message on my talk page. Thanks! Bennv3771 (talk) 11:13, 18 January 2019 (UTC)