In which of piaget’s stages would a child be if the child has just developed object permanence? a. concrete operational b. sensorimotor c. preoperational d. formal operational

What best describes the portability characteristic of money?

Which best explains why the number of states in the world increased significantly between 1985 and 1995? the map of southeast asia was redrawn, and new countries were formed. new states were formed when the soviet union collapsed. many african states received independence from their colonizers. communist countries seeking to spread their influence created new satellite states. civil wars in central america fueled the creation of new states.

Which theory of color vision most accurately describes the process of color vision at the level of the retina?