Around the world, prostitution is a major factor in the rising rates of which disease?

Which of the following is a basic rule-of-thumb for brain development?

Mammalian brains that are exposed to normal day-to-day routines will develop more normally than brains exposed to extraordinarily rich environments. Mammalian brains that are exposed to diverse and rich experience will be heavier and more fully developed than brains exposed to impoverished environments. Mammalian brains are very dependent upon routine to develop normally. Mammalian brains that are exposed to diverse and rich experience will be slower to develop than brains exposed to impoverished environments.

The ability of a ________ to deceive us will show up ________

a. practiced liar; as a facial tic b. depressed person; as smiling behavior c. psychopath; as an increase in eyeblink rate d. normally truthful person; as an averted gaze e. car salesperson; in their style of dress