Which theory of hearing explains why hunters sometimes lose hearing in a narrow pitch range, known as the "Hunter's notch"?

Madison's parents put her to sleep on a hard mattress. This will likely ____ her risk of SIDS

a. increase b. decrease c. stabilize d. have no effect on

One explanation for the link between intelligence and mortality is

a. those with lower intelligence tend to have less stressful jobs. b. genes cause lower intelligence but better health. c. smart people take better care of themselves. d. people in higher socioeconomic classes have greater accident risk.