difference - a disagreement or argument about a thing significant; "he had a dispute with his spouse"; "there were irreconcilable differences"; "the common conflict between Republicans and Democrats" The proportionate difference is greatest, but absolutely the difference smallest, for couples exactly where the spouse is aged 80 and above. https://semiconductor-temperature42961.widblog.com/90562392/detailed-notes-on-localized-thermal-test-systems