Work in pairs. Ask questions on the points below and answer them.
6ое и 11ое не нужно!

1. 320 млн. чел2.Sargasso sea, Beringov Sea, Caribbean sea3.-4.446 км5.from the beginnig of XIX century to 1920.7. Colorado Columbia Mississippi8. McKinley9.USA is a big melting pot. The americans is a mixuture of other nationalities