Fewer than _____ percent of older adults in the United States relocate to other communities

When a photon of light strikes a photoreceptor,

a. the photopigment unites with a molecule of vitamin A and a nerve impulse is generated. b. photopigment is regenerated. c. rhodopsin is released into the visual pathway leading from the optic disk to the occipital cortex. d. the photopigment splits, and a series of chemical events stimulates the photoreceptors so that it generates a signal. e. rhodopsin splits apart and becomes rose-colored, initiating events that stimulate the ganglion cells.

Never-married, childless men are more likely than women to

A) maintain good physical health. B) maintain good mental health. C) feel lonely and depressed. D) report a level of well-being equivalent to that of married seniors.