Toward the end of the first year, infants use patterns of rising and falling that resemble the sounds of adult speech.

"Toward the end of the first year, infants use patterns of rising and falling intonation that resemble the sounds of adult speech."

Intonation is the way the pitch of the voice goes up and down as you speak.

Reproducing adult intonations is one of the ways young children pick up the speech patterns in the language which is spoken at home, even before they know how to formulate sentences. It is the result of the imprint of their parents' speech on their memory. Therefore, when the child then prattles using this intonation, it may sound like they are babbling in their parents' language.

no, dan should reduce his discretionary spending. not long-term goals involve more planning than short-term goals do

the correct answer is the following is a list of inventions made in the medieval islamic world, especially during the "islamic golden age" (8th to 13th centuries),[1][2] as well as the late medieval period, especially in the emirate of granada and the ottoman empire.

science and technology in the islamic world adopted and preserved knowledge and technologies from contemporary and earlier civilizations, including persia, india, china, and greece-roman antiquity, while making a number of improvements and innovations.