User talk:103.15.57.249

December 2019
Please refrain from making nonconstructive edits to Wikipedia, as you did at Index of branches of science with this edit. Your edits appear to constitute vandalism and have been reverted or removed. If you would like to experiment, please use the sandbox. Administrators have the ability to block users from editing if they repeatedly engage in vandalism. Thank you. --Gpkp [ u • t • c ] 10:40, 24 December 2019 (UTC)