* re-: This is a prefix meaning "again" or "back." It's a bound morpheme, meaning it can't stand alone as a word.
* appear: This is the base word, meaning "to become visible." It's a free morpheme because it can stand alone as a word.
* -ance: This is a suffix that turns a verb into a noun, meaning "the act of" or "the state of." It's a bound morpheme.
* -s: This is a plural suffix, meaning "more than one." It's a bound morpheme.
Therefore, there is only one free morpheme in the word "reappearances": "appear".