Lamont works for a community substance abuse prevention group and is conducting a survey to see what the parents and guardians of pre-teens and teens know about local services. The group recognizes that a personal touch is needed but also has limited personnel and facilities for survey activities. As a result, a(n) ____ is probably the best choice for methodology

A synapse is most important in:

a) separating the medulla from the hindbrain. b) regulating the parasympathetic nervous system. c) the process of transmitting messages between neurons. d) connecting the basal ganglia.

Which of the following statements is supported by research on secular trends?

A) The larger size of today's children is mostly due to a faster rate of physical development. B) Age of first menstruation increased steadily from 1900 to 1970. C) Secular trends are primarily observed in wealthy, industrialized nations. D) Secular trends are larger for low-income children, who have poorer diets.