The three demographic variables that change the size of a ...

[jrubin]

The three demographic variables that change the size of a population are
 
  a. fertility, mortality, and net migration.
  b. number of married couples, health status, and life goals.
  c. fertility, mortality, and immigration.
  d. fertility, mortality, and emigration.

Question 2

Which of the following statements about the gold standard is true?
 
  a. All economies follow it.
  b. It permits countries to print as much paper money as they want.
  c. The United States follows it.
  d. In 1971, the United States dropped the gold standard.

[bigcheese9]

Answer to Question 1

a. fertility, mortality, and net migration.

Answer to Question 2

d. In 1971, the United States dropped the gold standard.

[jrubin]

TYSM

[bigcheese9]

Gracias!