Who would most likely study the causes of a present-day epidemic? a. an archaeologist c. a physical geographer b. a human geographer d. a historian

The correct answer is: A human geographer.

Human geography is a discipline that studies the "interrelationships between people, place, amd environment, and how these vary spatially and temporally accross and between locations." Basicaly how the human interacts with the surface of the planet, spatial organization and procceses that shape the lives of people are studied.

This discipline is divided in sub-disciplinary fields, the one that matters in this answer is: Health geography. It deals with the role of place, location and geography in health, well-being and disease. The research focuses on: the patterns, causes, and spread of disease, and the provision of health services.

d.

the northwest territory became the most densely populated area in the u.s.