All of the following statements about the maps above are TRUE except: A. These maps illustrate census data. B. In 2000, many states had more people under 18 than they had in 1990. C. In 2000, many states had fewer people under 18 than they had in 1990. D. These maps represent the number of people under 18 living in the US in 1990 and 2000. Please select the best answer from the choices provided A B C D

What was piaget's explanation as to why preschool-age children in the preoperational stage make errors on tasks requiring conservation? a) preschool children's tendency toward centration prevents them from focusing on other relevant features of a situation b) preschool children have not yet developed numerical understanding; therefore, different amounts are meaningless c) preschool children's neural-visual network is not fully matured d) preschool children have not lived long enough and accrued enough experience to know the difference between quantities