Over the last century the most important source of improvements ...

[Hungry!]

Over the last century the most important source of improvements in human health has been
 
  a. scientific medicine.
  b. high-tech medicine.
  c. improvements in food quality, nutrition, sanitation, safe water sources, and safety at work.
  d. a few wonder drugs.

Question 2

A power-conflict perspective on crimes of personal violence and property crime focuses on
 
  a. the delinquent subculture theory.
  b. psychological, individualistic explanations.
  c. the large-scale inequality in the class-stratified, race-stratified society in the United States.
  d. all of the above.

[nikmaaacs]

Answer to Question 1

c

Answer to Question 2

c