Daryl has a ball of Silly Putty. His 6-year-old son, John, watches as Daryl flattens the Silly Putty into a thin "pancake." When Daryl asks John if there is now more Silly Putty, John replies, "Yes." Piaget would say that John has:.
A. not mastered the concept of conservation.
B. demonstrated scaffolding.
C. an understanding of object permanence.
D. demonstrated fast-mapping.

A

Explanation:

Conservation concepts refers to the thinking pattern in children in their pre operational stage of development which allows them determine that a certain number of material will remain the same despite physcal transformation such as change in size, or shape. Children of about age 2-7 lacks this concept and tend to think a quantity will increase with change in its size, shape or container

c. taught scientists many new things about the earth, but not other planets.

explanation:

the structure of state governments are determined by. "state constitutins'

under the us constitution, all state governments are.'republics'