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Approximately When Did the Earth's Crust Solidify

question 30

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Approximately when did the earth's crust solidify?

Grasp the basic linguistic units such as phonemes, morphemes, and semantics.
Understand the impact of socio-economic status on language exposure and development.
Identify the characteristics and significance of infant-directed speech.
Describe the sequence and rationale behind language development stages in early childhood.

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