Chan has started a project comparing ethnographic data about health-care practices in a mozambique village to data about similar techniques in rural kentucky. this approach is known as?

ethnology.                      

Explanation:

Ethnology: In anthropology, the term ethnology is defined as the study of structures and the members of a particular culture and the member's relationship with their culture. Ethnology analyzes and compares the different characteristics of distinct people and the existing relationship between both. It helps an anthropologist to identify unique features of a particular culture.

In the question above, the given statement's approach is known as ethnology.

answer; the correct answer is (travel horizontally);

yes, since there is a positive and a negetive if the positive and negitive wasn't there wouldn't a flow electricity in it.