1.North American bison differ from domestic cattle in have 14 rather than 13 pairs of ribs.





2.Female sea turtles, before laying her eggs, swim as much as 2,000 kilometers to return to the beaches where they themselves were hatched.





3.Water is the only substance that occur at ordinary temperatures in all three states of matter: solid , liquid and gas.





4.Despite the growth of manufacturing and other industries, the economy of the state of Texas has remained heavily dependence on oil and gas.





5.Lyndon B. Johnson was the only United States President who oath of office was administered by a woman Judge Sarah Tilghman Hughes.





6.It took more than fourteen years to carve the faces of four United States Presidents into the granite cliffs to Mount Rushmore, South Dakota.





7.Charles Bullfinch was the architect who design the original red brick core of the State House in Boston.





8.Rarely has a technological development had as great an impact on as much aspects of social, economic, and cultural development as the growth of electronics.





9.Lowell, Massachusetts, known as the �Spindle City� since 1822 when its first textile mills were built, attracted worldwide attention as textile center.





10.Strange Victory, Sara Teas dale�s smallest and most perfect collection of poems , appear in print in 1933.