If each of us had to grow our own food, a. civilization would collapse and billions of people would starve. b. we would have more time for other pursuits. c. people would be richer since they would no longer have to spend money on groceries. d. the total amount of knowledge in society would increase since everyone would have to learn about farming.

Children begin to use tools at about what age? a. 18 months b. 2 years c. 1 year d. 6 months

The country of france is bordered by which two large countries

Jamie is conducting a study of hyperactive children. he recruits two children identified by teachers as hyperactive and takes a detailed history by interviewing the child and the child's parents over a period of several days, looking for patterns in the child's early experiences that may have contributed to the child's hyperactivity. jamie's research plan is referred to as the