User talk:Sbank13

January 2019
Hello, I'm Rubbish computer. I wanted to let you know that one or more of your recent contributions to Alvarez hypothesis have been undone because they did not appear constructive. If you would like to experiment, please use the sandbox. If you have any questions, you can ask for assistance at the Help Desk. Thanks. Rubbish computer (Talk: Contribs) 17:47, 10 January 2019 (UTC)