The term used for ingesting a drug by mouth, digesting it, and absorbing it into the bloodstream through the gastrointestinal tract is

According to national U.S. studies, in 1978 nearly ____ of children ages 5–10 had dangerously elevated levels of lead in their blood, which can cause brain damage; by 2001, the rate had fallen to ____

a. 30%; 1% b. 40%; 5% c. 50%; 10% d. 60%; 15%

When young children are learning new or difficult tasks they often use

A) conservation. B) theory of mind. C) the ZPD. D) private speech.