Opposite-charged ions ____ and like-charged ions ____.
A. attract; repel
B. are permeable; are semipermeable
C. have sodium; have protein
D. are positive; are negative
Answer: A
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Shen, who has never seen a dog before, visits a neighbor who has a large dog. Through __________, the calm voices and faces of his parents encourage Shen to approach the friendly dog and accept being licked in the face.
A. social referencing B. joint attention C. self-conscious emotions D. object engagement
Research indicates that around ______ of females provide informal care compared to around ______ of males (Mathiowetz and Oliker, 2005).
A. 3.1%, 1.6% B. 7.6%, 3.2% C. 1.6%, 3.1% D. 3.2%, 7.6%
Aaron and his fellow high school seniors are sitting in a large auditorium and are about to take a group test that will measure their aptitudes for language, math, and reasoning as well as predict their chances of success in college. Aaron and his fellow classmates are most likely taking the
a. Leiter International Performance Scale. b. SAT Reasoning Test. c. Stanford-Binet (SB5). d. WAIS-IV.
Which body part grows tremendously during infancy, reaching 75 percent of its adult weight by age two?
a. Heart b. Ears c. Brain d. Hands