cuales son los principales Caracteristicas de la Reforma Borbonicas? 2. ¿ Qué fue la Real Cédula de Gracia efecto tuvo sobre Puerto Rico que 3-Cinco oraciones de información encontrada de cinco oraciones de tu opinion personal.

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