When a child utters the word "mama," it may signify meanings as varied as "There goes Mama," "Come here, Mama," and "You are my Mama." Such single words used by children to express complex meanings are known as .

- Holophrases.

Explanation:

As per the question, the child uses single word like 'mama' to convey various complex meanings like 'Come here, Mama', 'You are my Mama', etc. exemplify that he is using 'holophrases' while learning to speak the language. Such phrases(holophrases) do not possess a grammatical intent but a simple vocalization that the child crams while learning and uses in order to convey his thought through that specific single word. Thus, 'holophrases' is the correct answer.

what play?

explanation:

answer: the tobacco industry has traditionally been one of the most important industries in north carolina and a backbone of the state's agricultural heritage. yet as the north carolina economy continues to transition from an agricultural economy to a manufacturing and, increasingly, service-based economy, the industry faces new challenges, both at home and abroad

explanation: