1) Long before his death, John Dewey saw his philosophy have a profound influences on education and thought in the United States and elsewhere.

2) The development of professional sports in the United States dates back to nineteenth century.

3) Ozone is an unstable faintly bluish gas that is the most chemical active form of oxygen.

4) Humus is formed during soil microorganisms decompose animal and plant material into elements usable by plants .

5) Colleges in the newly formed United States, in recovering from the adverse effects of the American Revolution, inaugurated a broad curriculum in response of social demands.

6) In the United State, the Cabinet consist of a group of advisers, each of whom is chosen by the President to head an executive department of the government.

7) The discovery of the antibiotic penicillin in 1928 has not produced antibiotics useful for the treatment of infectious diseases until 1940.

8) Margaret Mead achieved world famous through her studies of child - rearing, personality , and culture .

9) Unlike wood, paper, and fabric, which tendency to disintegrate after being buried for many years, ceramics and glassware although easily broken , survive well in the ground.

10) As a poetry Nikki Giovanni makes effective use of jazz and blues rhythms .

11) Sparrows, small birds of the finch family, have stout beaks adapted seed eating and are useful to farmers in destroying weed seeds.

12) Radon-invisible, tasteless, and has no odor -is released into the atmosphere from soil and rocks .

13) Peggy Guggenheim was none so much attracted to contemporary art itself as she was to the bohemian art world.

14) The average annual solar radiation received by the atmosphere varies strongly with latitude it is four times great at the equator than at the poles.

15) Avalanches occur why particles of sand, rock , or snow are dragged down a slope by gravity.

16) Candle are made by dipping a wick into wax, to pour wax into a mold containing a suspended Wick, or rolling wax around a wick.

17) Commercial prices for gems are based in several factors including beauty, durability, rarity,and the current fashion .

18) Clocks not only measure and tell time but also serve as decorated in homes and other buildings .

19) The architectural floor plan for a building is primarily a diagram of the location and function of area each of the building.

20) Since 1920 women have been able to participate actively in the government the United States.

21) It was in the late 1930’s where Dixieland jazz was appreciated by the general public for the first time.

22) Research by physician Alice Hamilton on industrially ailments and poisons led to greatly improved health conditions for workers in the early 1900’s.

23) The American writer Alex Haley traveled more than a half million mile to authenticate his novel Roots.

24) According to entomologists, pollinating insects are attracted to flowers by scent else by color .

25) The chief goal of biochemistry is for to understand the structure and behavior of the carbon-containing compounds that make up various components of a living cell.