Radiological studies as well as endoscopic procedures are unnecessary in the early management of these patients thus being relegated to recurrent or persistent bleeding. 1  Bonita F. Stanton; Kliegman, Robert; Nelson, Waldo E.; Behrman, Richard E.; Jenson, Hal B. (2007).
Geography can be either a natural or social science; if you are studying the physical structure of the Earth, such as the locations of bodies of water, mountains, rivers, deseâ¦rts, etc., that is a type of natural science, and if you are studying national borders and political divisions marked on a map, that is a type of social science.
Briefly, social sciences are the study of humans and their interactions, and natural sciences are the study of the universe and how it works. Social Sciences include the study of economics, geography, history, political science, psychology, social studies, and sociology. They are a group of disciplines that deal with humans, both as individuals and as interacting groups.