User talk:154.160.30.241

November 2020
Please refrain from making unconstructive edits to Wikipedia, as you did at Index of branches of science. Your edits appear to constitute vandalism and have been reverted. If you would like to experiment, please use the sandbox. Repeated vandalism may result in the loss of editing privileges. Thank you. Schazjmd  (talk)  16:12, 4 November 2020 (UTC)
 * If this is a shared IP address, and you did not make the edits referred to above, consider creating an account for yourself or logging in with an existing account so that you can avoid further irrelevant notices.