Why are only so few Languages listed on the left? For example a German version of this page exists at [[1]] but it is not listed. — Preceding unsigned comment added by 93.210.16.221 (talk) 15:35, 2 April 2012 (UTC)Reply

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Under "Physics & chemistry" for "Nitrogen inversion" and "Other uses in natural science" for 'Pyramidal Inversion", is it necessary to have both? Can the one less pertained to the link (Nitrogen inversion) be removed? LukasMFisher (talk) 14:33, 9 October 2023 (UTC)Reply

Ammonia (NH3) is a valid example for Physics & chemistry so disregard unless a more disagreeable argument is presented. LukasMFisher (talk) 14:38, 9 October 2023 (UTC)Reply