User talk:Studypidia

December 2022
Hello, I'm DVdm. An edit that you recently made to Frame of reference seemed to be a test and has been reverted. If you want to practice editing, please use your 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! DVdm (talk) 22:08, 10 December 2022 (UTC)