The term ____________________ refers to the surface of a body

Revised concepts of radiation exposure and risk have brought about more recent changes in NCRP recommendations for limits on exposure to ionizing radiation. Because many conflicting views exist on assessing the risk of cancer induction from low-level radiation exposure, the trend has been to

a. create more rigorous radiation protection standards. b. reduce rigorous radiation protection standards. c. eliminate radiation protection standards. d. leave radiation protection standards the same as they have been for the last 20 years.

At the same time that public money in cities and states has been used to fund the construction of sport venues

A. the taxes generated by those facilities has increased dramatically. B. fewer average people can afford to buy tickets to see local teams. C. the price of tickets has declined except in luxury boxes. D. lasting social unity has been created by sports in those cities and states.