| http://www.w3.org/ns/prov#value | - Babies who watch intently but dont react tosound may be showing signs of hearing loss.By 12 to 15 MonthsKids this age should have a wide range of speech sounds in their babbling (like p, b, m, d, or n),begin to imitate and approximate sounds and words modeled by family members, and typicallysay one or more words (not including mama and dada) spontaneously.
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