1.The eyes of some fish enable them to see not only what is going on in the water around them and also in the air above the surface.

2. Potatoes, rice, spaghetti, and other starchy foods are cooked in order to open the grains that the starch can be more easily digested.

3. Charles Darwin was the first to maintain that all animal and plant life on earth had evolved and was descent from a few, simple forms of the past.

4. ‍Clouds, foggy and dust in the atmosphere absorb ultra-violet rays.

5. A university is usually composed of an undergraduate college of arts and sciences, plus graduate schools and professional schooling or facilities.

6. We know that man is not the only creature to make use of tools but the chimpanzees both as the finches make use of them too.

7. In the twenties, the Golden Age of Sports, Babe Ruth became a national baseball hero because his sixty home runs in 1927.

8. Scientists believe that even although pain is a very real thing to some extent it seems to be learned.

9. William Cullen Bryant both was a brilliant poet, and the distinguished editor of the New York Evening Post from 1829 to 1878.

10. Day and night are a result of the earth spinning on its axis because that a given place passes through periods of sunlight and shadow during a twenty-four-hour period.

11. Thunder is rarely heard beyond 15 miles because of temperature and wind vary at different heights in the region around a thunderstorm.

12. Some gestures, such as methods of counting nor insulting vary from society to society and are clearly learned.

13.Frank Lloyd Wright, the well-known architect, believed that a home should be usable both as a beautiful structure.

14. With the aid of ultra-sound dolphins can not only sense obstacles in their path, and also identify, from the quality of the echo, the nature of the objects ahead.

15. Since Darwin`s time the theory of natural selection has been debated and tested, refined, qualified and elaborate.

16. Although their works were not of Civil War heroes but not even distinctly American, John Sargent and James Whistler were some of the most famous American portraitists.

17. Conifers protect their trunks from mechanical damage and insect attacked with a special gummy substance, resin.

18.Despite of growing industrial activity, the majority of the American people continued to make their living from farming until beginning of the twentieth century.

19.Most birds put oil on their feathers from an oil gland near the base of the tail that the feathers are kept supple and water-repellent.

20. In 1848, at the first women`s rights convention, delegates drew up a declaration demanding equality with males in education and economic opportunities and in vote.