Diseases are spread only through direct contact with one another.
a. true
b. false

Which of these is a feature of audible pedestrian crosswalk signals? o a. pedestrian tracking o b. emergency instructions o c. button location signaling od. responses to voice commands

Which of the following is not a possible cause of conduction deafness? a) cochlear nerve degeneration b) middle ear infection c) impacted cerumen d) otosclerosis

Which of these is a sexual stereotype? a) on average, males are taller than females. b) people over the age of 60 are not interested in sex. c) male hormone levels differ from those of females. d) there are more male representatives than female representatives in congress.