Professor Smith has been studying the development of moral reasoning in a group of people over the last 30 years. All of her participants were 1 year old when she began her study. She intends to hand off her study to a younger researcher in the department after she retires next year. Professor Smith is conducting a:.a. fluid study. b. longitudinal study. c. cross-sectional study. d. cohort study.

LONGITUDINAL STUDY.

Explanation:

This is a research design that involves repeated observations of the same subjects over a short or long periods of time. As in the above, the same subjects have been studied since they were 1 year old.

explanation:

with the profits from the european sales, merchants purchased europe's manufactured  goods, including tools and weapons. then the merchants shipped those manufactured  goods, along with the  american  sugar and rum, to west africa where they were bartered for  slaves.

are there actual statements because if not my answer would be: that using the five senses the author can create a sense of worth in an object to appeal to the reader and create meaning.