The substance that coats the lungs and keeps the air sacs in the lungs from collapsing is called which of the following?

Babies quickly learn that certain sights are linked with certain sounds. This is because babies are sensitive to

A) optical sensory flow. B) kinetic depth cues. C) contrast sensitivity. D) amodal sensory properties.

What would be one issue that Piaget and sociocultural theorists disagree on?

A) The importance of cognitive development. B) Whether or not to collect data on the child. C) The role of parents and teachers in the child's learning environment. D) The role of language development in fostering cognitive development.