What has four legs and only one foot?

Which of the following is a nonspecific defense against pathogens? - b cells - antibodies - t-cells - inflammation

To avoid food poisoning, perishable items should not be stored in the refrigerator for more than days.

Which of these is an example of how the media might perpetuate a sexual stereotype? a) a lesbian couple is shown adopting and caring for a child. b) a lesbian is depicted as masculine. c) a male homosexual is depicted as masculine. d) a homosexual relationship is shown to be commited and monogamous.