A category defined by a set of attributes that aren't absolutely necessary for membership is referred as?

As we grow older, the body changes in ways that tend to make us gain weight. What is one of these changes?

a) Metabolic rates slow. b) Norepinephrine levels increase. c) Digestive enzymes are not as efficient. d) The body is less efficient at digesting food.

Which of the following statements is FALSE? Hostility between two groups can be reduced by

a. having the two groups work together to achieve a common goal. b. making sure that the two groups are of equal status. c. having the groups interact in a formal setting with each group occupying half of the room. d. making sure that it is clear that norms favor equality.