In the word "rebuilt," re is a) both a morpheme and a phoneme. c) a phoneme, but not a morpheme. b) a morpheme, but not a phoneme. d) neither a morpheme nor a phoneme

B) a morpheme, but not a phoneme.

Explanation:

Morphology studies the smallest components of language and how they relate to structure and meaning (it focuses on forms).

Re is a morpheme, it comes from Latin.  Morphemes can be a single word.

Re, "meaning again" or "backward"

Since morphemes are the smallest units of meaning, the prefix "re"  usually cannot stand alone, it is added to modify a verb like : reshape: reload, reconsider

Attaching a Re to another word , such as by adding the prefix "re-" to a verb " creates a new word : remember , Remembrance.

the biopsychosocial approach was developed at rochester decades ago by drs. the biopsychosocial approach systematically considers biological, psychological, and social factors and their complex interactions in understanding health, illness, and health care delivery.

explanation:

the answer is b, encourage free trade