Answer:
B. the shortest segment of speech that, if changed, changes the meaning of the word.
Explanation:
A phoneme is the <em>smallest unit of sound in speech that distinguishes one word from another</em> and it doesn't have a meaning by itself, for example, in the words cat, pat and sat, the letter t is the phoneme element.<em> These sounds usually are used by parents to coax babies to talk. </em>
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