Which of the following separates Asia and North America?

Bering Strait lies between Eastern Russia & Alaska (U.S.A). Bering Strait, Russian Proliv Beringa, strait linking the Arctic Ocean with the Bering Sea and separating the continents of Asia and North America at their closest point. The strait averages 98 to 164 feet (30 to 50 metres) in depth and at its narrowest is about 53 miles (85 km) wide.