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.
Morphemes are comprised of two separate classes called (a) bases (or roots) and (b) affixes. A base, or root is a morpheme in a word that gives the word its principle meaning. An example of a free base morpheme is woman in the word womanly. An example of a bound base morpheme is-sent in the word dissent.Affixes.An affix is a bound morpheme that occurs before or after a base.. It is a word or a part of a word that has meaning. 2. It cannot be divided into smaller meaningful segments without changing its meaning or leaving a meaningless remainder. 3. It has relatively the same stable meaning in different verbal environments.