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

1. 320 млн. чел 2.Sargasso sea, Beringov Sea, Caribbean sea 3.- 4.446 км 5.from the beginnig of XIX century to 1920. 7. Colorado Columbia Mississippi 8. McKinley 9.USA is a big melting pot. The americans is a mixuture of other nationalities