Microbial ecology is the study of relations among microbes in natural environments and their roles in food web dynamics, biogeochemical cycles, and the evolution of life. Microbes are the most plentiful organisms in the biosphere and facilitate many critical reactions in elemental cycles and biogeochemical reactions. Because they are vital
The ebook American Government: Institutions And Policies 13th Edition, Brief Version (PDF) , offers coverage of the 2014 and 2016 campaigns and elections; budget battles and the sequestration of funds; ongoing debates about gay marriage, immigration, and other key issues in American politics; and foreign-policy decisions on the Middle East,
Introducing Medical Anthropology: A Discipline in Action 3e (PDF) offers students with the first exposure to the developing field of medical and health anthropology. The narrative is guided by merging themes. First, health-oriented anthropologists are very engaged in the process of helping, to changing degrees, to change the world around
For practicing scientists and engineers interested in updating their understanding of modern electronics or for undergraduate electrical engineering students. One of the most broadly used introductory books on semiconductor materials, devices, physics, and technology, Solid State Electronic Devices, 7th Global Edition, (PDF) aims to: 1) Develop fundamental semiconductor physics concepts,
Western Civilizations, Their History and Their Culture-Volume 1, 4th Brief Edition, (PDF)―written by two prominent teachers―is the most pedagogically revolutionary text for the survey course. A meticulously crafted textbook and media program empower students to master key content, involve in historical analysis, and think critically, and the Brief 4th Edition