A background check or background investigation is the process of looking up and compiling criminal records, commercial records and financial records of an individual or an organization. Contents.
The environment a child develops in has influences on language development. The environment provides language input for the child to process. Speech by adults to children help provide the child with correct language usage repetitively.
Babies begin learning language from their mothers while they're still in the womb. 1  It was previously thought they began picking up words in the first few months of life.  But new research shows infants start to discriminate between vowel sounds before they are born.