For humans, visible light falls within the range of ___ nm

Which is NOT characteristic of not-shy people?

a. Not-shy people have higher self-esteem than shy people. b. Not-shy people take the blame for their social failures. c. Not-shy believe that external situations cause their occasional feelings of shyness. d. Not-shy people take credit for their social successes.

Which of the following is an indicator of survival over the next two years in a very old person?

A) decreased lung capacity B) low T cell activity C) high cortisol activity D) high T cell activity