Depends upon the way you drive on them. When properly inflated and rotated the last user is correct 75,000 to 100,000 miles on average, even on the cheapest set of tires.
Definition of morpheme. : a distinctive collocation of phonemes (as the free form pin or the bound form -s of pins) having no smaller meaningful parts.
Grapheme â A unit (a letter or letters) of a writing system that represents one phoneme; a single symbol that has one phonemic correspondent within any particular word. Graphophonemic â Refers to the sound relationship between the orthography (symbols) and phonology (sounds) of a language.