1. A microscope can reveal vastly ……………….. detail than is visible to the naked eye.

2. Narcissus bulbs ………………. at least three inches apart and covered with about four inches of well drained soil.

3. Industrialization has been responsible for …………….. most radical of the environmental changes caused by humans.

4. In many areas the slope and topography of the land ……………. excess rainfall to run off into a natural outlet.

5. Color and light, taken together, ……………….. the aesthetic impact of the interior of a building.

6. ……………………. that Rachel Carson’s 1962 book Silent Spring was one of the chief sources of inspiration for the development of nontoxic pesticides.

7. Total color blindness, …………………., is the result of a defect in the retina.

8. …………………..no conclusive evidence exists, many experts believe that the wheel was invented only once and then diffused to the rest of the world.

9. Wherever there is plenty of rain during the growing season, life is ………………. in various forms.

10. In her time, Isadora Duncan was ……………….. today a liberated woman.

11. …………………. around stones that are sun-warmed, even the smallest of stones creates tiny currents of warm air.

12. Despite its wide range of styles and instrumentation, country music has certain common features …………….. its own special character.

13. Most of ………………….. archaeologists know about prehistoric cultures is based on studies of material remains.

14. According to some critics, the novels of William Burroughs demonstrate the major hazard of absurd literature, ……………… tendency toward over-embellishment and incoherence.

15. Coinciding with the development of jazz in New Orleans in the 1920’s …………………. in blues music.

16.Gone With the Wind, the epic novel about life in South during the Civil War period, took ten years write.

17. None two butterflies have exactly the same design on their wings.

18. To save the California condor from extinction, a group of federal, local, and privately organizations initiated a rescue program.

19. A coral reef, a intricate aquatic community of plants and animals, is found only in warm, shallow, sunlit seas.

20. Carnegie hall was the first building in New York designed special for orchestral music.

21. Since it lives in the desert, the collared lizard depends from insects for water as well as for food.

22. The Texas Panhandle region, in the northwestern part of the state, produces more wheat, cotton, and grain sorghum than any of other area of Texas.

23. Light rays what enter the eye must be focused onto a point on the retina in order for a clear visual image to form.

24. The orangutan’s hands and feet are designed for holding and grasping branches, and its powerful immensely arms enable it to climb and swing in trees without difficulty.

25. The extraordinary beautiful of orchids makes them the basis of a multimillion dollar floral industry.

26. The Vermont Elememary Science Project, according to its founders, are designed to challenge some of the most widely held beliefs about teaching.

27. The number 8.5 is an example of a “mixed number” because it is composing of an integer and a fraction.

28. If it is kept dry, a seed can still sprout up to forty years after their formation.

29. In The Sociology of Science, now considered a classic, Robert Merton discusses cultural, economy and social forces that contributed to the development of modern science.

30.Bacteria lived in the soil play a vital role in recycling the carbon and nitrogen needed by plants.

31.Some snakes have hollow teeth are called fangs that they use to poison their victims.

32.Stars derive their energy from thermonuclear reactions that take place in their heat interiors.

33.Carrie Chapman Call organized the League of Women Votes after successfully campaign for the constitutional amendment that gave women the right to vote.

34.Any group that conducting its meeting using parliamentary rules will encounter situations where prescribed procedures cannot be applied.

35.The strongly patriotic character of Charles Sangster’s poetry is credited about greatly furthering the cause of confederation in Canada.

36.Jessamyn West’s first and most famous novel, The friendly Persuasion describes the life of a Quaker farmed family in the mid-1800’s.

37. One inventor that Thomas Edison can take credit for is the light bulb.

38.Electric motors range in size from the tiny mechanisms that operate sewing machine to the great engines in heavy locomotives.

39.The nitrogen makes up over 78 percent of the Earth’s atmosphere, the gaseous mass surrounding the planet.

40.The Mississippi, the longest river in the United States, begins as small clear stream in northwestern Minnesota