Read the definitions below and then answer the question that follows.
Watershed: A region in which all rainfall eventually flows downhill through a system of streams and tributaries into the same body of water, such as the catchment basin of a river or lake.

Milkshed: A region in which fresh milk is produced and can be delivered without spoilage for sale and consumption. A dairy farm sits at the center of an area, the size of which is determined by how far fresh milk can be shipped and still maintain shelf-life for consumers.

Given the definitions, watersheds and milksheds can best be classified as what type of region?

a. culture
b. formal
c. functional
d. industrial
e. vernacular

According to the federal regulations, which of the following studies meets the definition of research with human subjects? a researcher conducts a comparison of the comments made in a publicly available blog and the blogger's comments on a similar topic in a weekly magazine. undergraduate students in a field methods class are assigned a research question and asked to interview another classmate, to be followed by a class discussion on interview techniques. a cognitive psychologist enrolls undergraduate students for a computer-based study about the effect of mood on problem-solving behaviors. a researcher sets up a meeting with the superintendent of a large and diverse public school system to get data about the ethnic composition of the school system and the number of students receiving free lunches.