Compare the art of sculpture and the art of printmaking. What is one thing these two forms have in common? A.
Both forms of art were found in caves over 40,000 years ago.

B.
Both forms of art can help create pieces that can be reproduced multiple times.

C.
Both processes can use three-dimensional materials such as wood, metal, and plastic.

D.
Both forms of art began in China over 1,000 years ago.

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