If a law or practice violates the us constitution it is said to be

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

After his last drinking spree, fakim hid a half-empty liquor bottle. he couldn't remember where he hid it until he started drinking again. fakim's pattern of recall best illustrates:

Powers shared by the federal government and state governments are known as .