Nonsmokers who breathe ________________ smoke are at considerably higher risk for smoking-related diseases; each year, about 49,000 individuals die from exposure to it

The Food and Drug Administration made direct-to-consumer drug advertisements legal by lifting its ban on such drug ads in:

A)1962. B)1985. C)1981. D)1997.

Research employing the technique of ________ might take a puppy that has a genetic tendency to be very excitable and allow it to be raised and nurtured by a female dog who has a very calm and docile nature. Such research explore whether environmental factors can "override" genetic programming.

a. interacting b. epigenetics c. pedigreeing d. cross-fostering