Radiation is the emission or transmission of energy in the form of waves or particles through space or through a material medium.
Your correct answer is D metals!
In American Indian so they Thad the highest concentration toxins
I think the answer is B, the interpretation of specific events as threatening or challenging. According to Hans Selye stress is a body's nonspecific response to any demand made on it, physical arousal to events seen as threatening, and mental arousal to events seen as challenging. However, there are effective strategies to cope with stress which include a sense of humor, relaxation, social skills, and social support.