Starting in the 1960s, what social advancement has had ...

[Bob-Dole]

Starting in the 1960s, what social advancement has had significant impacts on fertility in the United States?
 
  a. the availability of birth control
  b. the development of pasteurization
  c. the installation of a national sewer system
  d. government control of drinking water

Question 2

The study of a group's population dynamics would emphasize patterns in which three factors?
 
  a. fertility, mortality, and migration
  b. population momentum, demography, and sex ratio
  c. death rates, infant mortality rates, and chronic disease rates
  d. demographic transition, fertility, and immigration

[nothere]

Answer to Question 1

a

Answer to Question 2

a

[Bob-Dole]

Wow, this really help

[rachel]

Excellent