In 1796 investigations into the chemical nature of diamond concluded _________ a form of pure carbon.
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Question 2 of 40
2. Question
2. The English colonization of Virginia was devised in 1606 by a group of merchants _________ the Virginia Company of London
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Question 3 of 40
3. Question
3. The hourglass, an instrument used _________, usually consists of two bulbs united by a narrow neck.
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Question 4 of 40
4. Question
4. A master is an electronic apparatus that _________ radio and light waves
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Question 5 of 40
5. Question
5. The human skin forms _________ against the action of physical, chemical, and bacterial agents on the deeper tissues.
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Question 6 of 40
6. Question
6. Medical research at the cellular level, _________ research on the immune system, has been made possible through twentieth-century advances in techniques of genetic research
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Question 7 of 40
7. Question
7. Living organisms contain more water _________ substance.
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Question 8 of 40
8. Question
8. The twentieth century has been a period of enormous growth in mathematical research and in the number of mathematicians and fields _________ them
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Question 9 of 40
9. Question
9. Columbia University’s School of Public Health is _________ a handful of schools of public health in the United States
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Question 10 of 40
10. Question
10. The United States Department of the interior designated the Brooklyn bridge _________ in 1964
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Question 11 of 40
11. Question
11. In jazz music, a riff is a simple melodic figure, _________ and repeated several times
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Question 12 of 40
12. Question
12. At its center, the sun has a density of over a hundred times _________ and a temperature of 10 to 20 million degrees centigrade
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Question 13 of 40
13. Question
13. The United States Congress appropriates some four million dollars _________ the upkeep of the White House grounds
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Question 14 of 40
14. Question
14. The sea horse uses _________ to cling to the seaweed and other plants
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Question 15 of 40
15. Question
15. In the years ahead, health professionals will be able to enhance or restore health far better _________ at present
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Question 16 of 40
16. Question
The constitution of New Hampshire, a second oldest among those of the fifty states, was adopted in 1784.
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Question 17 of 40
17. Question
Elinor Wylie’s writings consist of eight books—four novels and four volumes of poem—in which she displayed a knowledge of both history and literature.
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Question 18 of 40
18. Question
18. In addition to their usefulness as scavengers, birds are of enormous value to humans because of they eat insects and control the spread of weeds.
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Question 19 of 40
19. Question
When precipitation occurs, some of it evaporates, some runs off the surface it strikes, and some sinking into the ground.
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Question 20 of 40
20. Question
21. Tarantulas inject a paralyzing venom into prey or with their large fangs
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Question 21 of 40
21. Question
22.Born in New York City in 1891, Preston Dickinson was one of the pioneers of modern artistic in the United States
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Question 22 of 40
22. Question
23. The water of the Atlantic, Pacific, and Indian Oceans make up 70.8 percent to the Earth’s surface
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Question 23 of 40
23. Question
24. The three main television networks in the United States account for more advertising dollars than any others medium
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Question 24 of 40
24. Question
25. In 1913 when he was only 18 year old, Leo Sowerby’s violin concerto was performed by the Chicago Symphony
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Question 25 of 40
25. Question
26.Fossil records support the assumption which microorganisms were the first forms of life
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Question 26 of 40
26. Question
The St. Louis Post-Dispatch was founded in 1878 and by 1881 had become the most largest evening newspaper in the city.
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Question 27 of 40
27. Question
The St. Louis Post-Dispatch was founded in 1878 and by 1881 had become the most largest evening newspaper in the city.
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Question 28 of 40
28. Question
In artifacts from as early as the Stone Age, mathematics and art can be seen to have fused in the geometric patterns decorate pottery, weaving, and carpentry.
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Question 29 of 40
29. Question
Despite their common heritage, background, and homogeneity, the original United States consisted of 13 distinct political entities, each commanding considerable loyal from its citizenry.
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Question 30 of 40
30. Question
The choreographer George Balanchine created more than 150 works for the New York City Ballet, that which he was a founder.
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Question 31 of 40
31. Question
Some ways in which lizards different from snake are in having ear openings, moveable eyelids, and less flexible jaws.
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Question 32 of 40
32. Question
Much of the work of the anthropologist Margaret Mead was devoting to a study of patterns of child rearing in various cultures.
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Question 33 of 40
33. Question
33. The feathers of birds not only protect their skin from injury and conserve body heat, but also function in flight, courtship, camouflage, and sensory perceptive
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Question 34 of 40
34. Question
Of the many mushroom species growing wild, the common field mushroom is the one that is most frequently gather for human consumption.
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Question 35 of 40
35. Question
Carl Roger’s client-centered therapy is now widely employed and is among the most influential technique in modern United States clinical psychology.
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Question 36 of 40
36. Question
Female horseflies transmit a few diseases, but their main significance as pests is in sting of their bite.
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Question 37 of 40
37. Question
Despite a lack of navigably waterways, Madison, Wisconsin, developed into a manufacturing center as well as a major trade nucleus during the 1800’s.
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Question 38 of 40
38. Question
The food and water that people consume them come from the environment, provided either by nature or through the work of farmers and other producers.
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Question 39 of 40
39. Question
Communal dance, as a powerful symbol of mutual regard and cooperation group, underlies enduring traditions in folk dancing.
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Question 40 of 40
40. Question
More than 800 major oil companyhave plants and offices in Tulsa, Oklahoma, the site of the international petroleum exposition.