User talk:Protons and neutrons contain quarks that go up and down.

May 2021
 You have been blocked indefinitely from editing because it appears that you are not here to build an encyclopedia. If you think there are good reasons for being unblocked, please read the guide to appealing blocks, then add the following text below the block notice on your talk page:. Drmies (talk) 00:41, 14 May 2021 (UTC)