A. more men than women live alone
B. more elderly men than women are married
C. only a small percentage of the 65- to 74- year olds live in nursing homes
D. older workers perform as well as younger workers
A. industrialization
B. agriculture
C. pastoralism
D. hunter-gatherers
A. the ability to control impulses
B. leadership abilities
C. sociability
D. all of the above
A. A type of money used in the Middle Ages
B. Organizations dating back to the 10th century
C. Kinds of labor unions
D. Only b and c
A. participation in political decision making should be extended to religious leaders
B. the Socialist party must be in command of the economy
C. participation in political decision making should be extended to economic decision making
D. it is not necessary for everyone in a society to work
A. signify a weakness in its development
B. are instrumental in cementing the mother-infant bonding
C. should be ignored or the infant will be spoiled
D. are natural in all mammals
A. controlled conditions
B. precision
C. organization of the data
D. all of the above