1 ) The term polder, which refers to land reclaimed from the sea, originated in which European country?

2 ) Which is the name of an island and a province in Canada?

3 ) The Vistula River flows through Mazovia, a historical region in which country in eastern Europe?

4 ) The U.S. military is one of the principal sources of employment for people living on this the largest island in the Marianas archipelago.

5 ) South America's largest coal mine is just east of the Rio Madgalena, along the Caribbean coast of which country?

6 ) Which city, on an arm of the Chesapeake Bay, was an important port for shipping tobacco to Europe in colonial times?

7 ) This resource provides Venezuela with most of its export income.