Genes are composed of specific sequences of __________ molecules

Researchers today believe that make-believe play

A) is not nearly as important as Piaget thought. B) not only reflects but also contributes to children's cognitive and social skills. C) is less important than drawing or building with blocks. D) is mere practice of representational schemes.

If you were a dietician at a restaurant in an extended care facility where active healthy people in older adulthood ate, you should know that, in comparison to younger adults, older adults need about _______ calories and about _______ nutrients

a. the same number of; 20% more b. 20% more; the same number of c. the same number of; 20% fewer d. 20% fewer; the same number of