What accounts for most of the population growth of Europe? O A. A high birthrate
O B. A negative migration rate
O C. A negative fertility rate
OD. A positive migration rate

Name one type of data that h-r diagrams do not show.

Ozone in the upper atmosphere has been depleted by a. sulfur dioxide. b. chlorofluorocarbons. c. carbon dioxide. d. oxygen.

Which statement about portugal is not true? a. it granted independence to its last colony in 1975 b. it has avoided conflict with spain c. it was a leader in european world exploration in the 1400s d. its economy is changing from agricultural to industrial b. it has avoided conflict with spain