What percent of individuals older than 65 years in developed countries have at least one grandchild who is at least 18 years old?

Compare and contrast features related to developed and developing countries

What will be an ideal response?

Dynamic systems theory considers the importance of

a. differentiation and integration of individual skills. b. intersensory redundancy. c. the orienting response and habituation. d. retinal disparity, size constancy, and linear perspective.