Among the first plants to grow on the land regions of the Earth _____, which in prehistoric times grew to immense size
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Question 2 of 40
2. Question
Unlike fossil fuels, which can be used only once, wind and solar power _____of energy.
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Question 3 of 40
3. Question
3. _____ that the first cheese was probably made more than 4,000 years ago by nomadic tribes in Asia
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Question 4 of 40
4. Question
Today _____ of the Earth live on a very small percentage of the Earth’s land surface.
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Question 5 of 40
5. Question
It was in the year 1792 _____
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Question 6 of 40
6. Question
Many small birds use new sites for each nesting, _____ large birds often reuse the same nest.
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Question 7 of 40
7. Question
Plateaus are often referred to as tablelands _____ essentially flat-topped and stand conspicuously above an adjacent land area.
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Question 8 of 40
8. Question
Although many contemporary craft objects are not _____, they generally have their roots in function.
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Question 9 of 40
9. Question
Most leaves are coated with a waterproof _____, or cuticle.
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Question 10 of 40
10. Question
The first glass factory _____ the North American continent was started in Jamestown, Virginia, in 1607.
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Question 11 of 40
11. Question
_____ in the desert is mainly due to the limited supply of desert water.
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Question 12 of 40
12. Question
In addition to painting highly acclaimed portraits, Mary Cassatt was _____ to several major art collectors.
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Question 13 of 40
13. Question
Springwater is _____ clean, since it has been filtered through permeable rocks, but all spring water contains some dissolved minerals.
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Question 14 of 40
14. Question
All eels spawn in the sea, the eggs hatching into transparent, ribbon-like larvae _____, feeding until they metamorphose into small eels.
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Question 15 of 40
15. Question
Citrus fruitsthrive in quite very tropical climates.
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Question 16 of 40
16. Question
17.Carson McCullers was fame for her novels aboutlife in the small owns of the southern United States.
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Question 17 of 40
17. Question
Because the atmosphere of Mars is so thin, wind velocities of several hundred A C kilometers per hour are required to raised dust particles during dust storms.
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Question 18 of 40
18. Question
Lumbering,the remove of timber from the forest, is a major industry in the Northwest region of North America.
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Question 19 of 40
19. Question
The asphalt deposits of La Brea Tar Pit in California have yielded fossils of numerous animal of the Pleistocene epoch, including the giant ground sloth.
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Question 20 of 40
20. Question
Located in the center of the continental United States and known for its endless wheat fields, Kansas is one of the nation’s leading agriculturally states.
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Question 21 of 40
21. Question
An intrinsic part of the sound structure of poet, the repetition of a consonant sound or sounds, may also be exhibited in prose.
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Question 22 of 40
22. Question
People feel uncomfortable when the humidity rises over 60 percent because perspiration cannot evaporate quickly enough for the body to rid themselves of excess heat.
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Question 23 of 40
23. Question
While infancy, the period from birth until the age of two,a child grows to Approximately half of his or her adult height.
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Question 24 of 40
24. Question
The Pulitzer Prizes are annual awards for excellence in United States journalism, literature, and musical.
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Question 25 of 40
25. Question
Judgments made in a criminal cases can usually be appealed to a higher count , which A can either overturn or uphold a lower court ruling.
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Question 26 of 40
26. Question
Science fiction is any fiction dealing with the future or with so imaginative subjects as interstellar travel, life on other planets, or time travel.
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Question 27 of 40
27. Question
Science fiction is any fiction dealing with the future or with so imaginative subjects as interstellar travel, life on other planets, or time travel.
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Question 28 of 40
28. Question
The wingspread of various species of bats range from over five feet to less than two inches.
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Question 29 of 40
29. Question
The harmonica’s tones are made by the vibrations of the feeds created by the blowing and suction to the player.
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Question 30 of 40
30. Question
The constitution of 1897, under which Delaware is now governed, is fourth constitution in the history of the state.
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Question 31 of 40
31. Question
Because most photographic filters work by subtract portions of visible light from the subject, they decrease the intensity of light that reaches the film.
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Question 32 of 40
32. Question
In a vacuum discharge tube at ordinary voltages and currents, neon glows reddish- orange and is the mostly intense of all the rare gases.
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Question 33 of 40
33. Question
Although E.E. Cummings studied art in Paris, but his writings attracted much more interest than his paintings.
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Question 34 of 40
34. Question
Because material organic decays slowly in peat, the remains of prehistoric animals are often found in the depths of peat hogs.
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Question 35 of 40
35. Question
Usually an atom having one, two, or three electrons in its valence band readily contributes electrons to and receive electrons from neighboring atoms.
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Question 36 of 40
36. Question
A symbol of freedom, the Statue of Liberty represents a woman has just escaped from the chains of slavery, which lie at her feet.
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Question 37 of 40
37. Question
The southwestern portion of the United States is a land of little rain, and parts of it are too dry that they are called deserts.
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Question 38 of 40
38. Question
Seneca chief Corn-planter helped arrange treaties between many United States settler and Native American tribes in western Pennsylvania after the American Revolutionary War.
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Question 39 of 40
39. Question
Mercury is so much close to the Sun that it is usually invisible in the glare of the Sun’s rays.
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Question 40 of 40
40. Question
Pollen can be transferred by the wind or by birds that comes into contactwith flowers.