DavidB4-bot
→‎top: Spelling, grammar, and general fixes
14:23
Joaquín Martínez
no edit summary
13:15
+30
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02:27
Aziraphale
categorize
15:26
+25
Sterile
fix factual error
23:59
+60
SharonS
New page: '''John Dalton''' first proposed that all matter is composed of atoms. He also proposed the ideas of elements and compounds.
21:09
+137