1. Though the different between any two languages in the world may appear to be great , they seem to function equally well as means of communication.

2. Although cultivated in the new world for hundreds of years, only within the last century the tomato has become recognized as a valuable food.

3. Most Algonquin Indian tribes except those of the north were sedentary and carried on agriculture with varying degrees of intense .

4. Secretion by the pancreas into the bloodstream, insulin affects metabolism by allowing cells throughout the body to use glucose as fuel.

5. Several ancient cultures presented math in sentences form with little or no abbreviation or symbolism.

6. Even the richest diamond deposits , tons of rock must be mined and crushed to produce one small diamond.

7. The first antibiotics were made from alive matter such as molds.

8. Besides providing clues to the nature of atoms, mineral analysis allows to speculate geologists about the ancient Earth.

9. Tattooing is one of the oldest forms of creative expression, dating it back to at least 8000 B.C .

10. Rubbing a glass rod with silk will cause small pieces of dries paper to jump to the rod and cling to it.

11. Turquoise, which found in microscopic crystals, is opaque with a waxy luster, varying in color from greenish gray to sky blue.

12. A mirage is an atmospheric optical illusion in what an observer sees a nonexistent body of water or an image of some object .

13. Elected to serve in the United States House of representatives in 1968, Shirley Chisholm was known for advocacy the interests of the urban poor.

14. An involuntary reflex, an yawn is almost impossible to stop once the mouth muscles begin the stretching action.

15. While highly prized for symbolizing good luck, the four-leaf clover is rarity found in nature.

16. Although they reflect a strong social conscience, Arthur Miller’s stage works are typical more concerned with individuals than with systems .

17. In the 1800’s store owners sold everything from a needle to a plow, trust everyone, and never took inventory.

18. Several million points on the human body registers either cold, heat, pain , or touch.

19. Chocolate is prepared by a complexity process of cleaning, blending and roasting cocoa beans, which must be ground and mixed with sugar.

20. A musical genius , John Cage is noted for his highly unconventional ideas, and he respected for his unusual compositions and performances .

21. A smile can be observed, described, and reliably identify , it can also be elicited and manipulated under experimental conditions.

22. The importance of environmental stimuli in the development of coordination between sensory input and motor response varies to species to species.

23. Quasars, faint celestial objects resembling stars, are perhaps the most distant objects know .

24. The dachshund is a hardy, alert dog with a well sense of smell .

25. According to most psychological studies, body language expresses a speaker’s emotions and attitudes, and it also tends to affect the emotions and attitudes of the listen .