Which of the following countries relies on tourism more than the others?
a. romania
b. albania
c. bulgaria
d. serbia

In the late 1990s, brazil’s poor people protested about crowded cities land distribution mining permits industrial pollution

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

Why did the belgian parliament pass laws to decentralize its government? a. to increase trade with neighboring luxembourg b. to decrease the political power enjoyed by the flemish c. to enable belgium to join the european union d. to reduce tensions between belgium's two main ethnic groups