By the end of the fourth week, the embryo's head is apparent and the eyes, nose, mouth, and ears begin to form. How long is the embryo at this point?

Currently, clinicians recognize _____________ types of ADHD

A) two B) three C) four D) six

Regarding bilingual education, which of the following statements is FALSE?

a. All types of bilingual education tend to be politically unpopular among majority language speakers. b. The two-way bilingual education program involves majority group children and children with limited English skills being taught part of the day in English and part in a second language. c. Studies of bilingual students have found that those who achieve a high level of ability in two languages have better general language skills and problem-solving skills. d. For both minority and majority children, learning a second language produces subtractive bilingualism, that is, the loss of proficiency in one's native language.