CA Nuclear waste management Management of radioactive waste involves a wide variety of issues related to nuclear chemistry, biology, and earth systems. This science must be addressed in the context of social and political realities. Marty Zahn , Thomas Nelson Community College, VA Vitamin D and Geography Examination of the potential link between vitamin D deficiency and climate, geography and demographics is explored by using a geographic information systems approach. Both feasibility and marketing criteria are applied in the site selection process. The Wheeler NWR was developed in response to extreme drought conditions experienced in the US in the 1930's.
Students examine bird populations within the refuge through using both ground and air photography.