Answer:
D. Human geographers study human societies, while physical geographers study the natural features of the Earth's surface
Step-by-step explanation:
Even though both the human geography and the physical geography are part of the same basic science, their focus of study is very different. The human geography focuses on the human societies. It examines the relation between the humans and nature, the reasons for the development of the societies, the characteristics of the societies... The physical geography focuses on examining the natural features on the Earth's surface. It tries to understand how have they formed, what caused their formation, their composition etc.