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
2. 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
_____ 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
6. 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
Louisa May Alcott published her first book, Flower Fables _____ of fairy tales, in 1854.
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Question 9 of 40
9. Question
9. ______ understanding of weather and its variability, it has been difficult to prove that weather can be controlled
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Question 10 of 40
10. Question
Franklin Roosevelt’s New Deal Program included ______ designed to provide relief and counteract the effects of the economic depression that had begun in 1929.
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Question 11 of 40
11. Question
Current health guidelines recommend that people restrict their consumption_______.
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Question 12 of 40
12. Question
Walt Whitman originated a distinctive form of free verse that sets his work apart from_____ of all other poets.
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Question 13 of 40
13. Question
_____ economic change by investigating the fluctuations in the relationship between workers’ wages and their buying power.
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Question 14 of 40
14. Question
Although the many hours of summer sunshine in Canada’s Klondike region produce good vegetable crops, the long winters rarely permit ______.
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Question 15 of 40
15. Question
Tools, a workshop, and some storage space were ______ for early experiments in aviation.
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Question 16 of 40
16. Question
16. A major railroad junction in Illinois, Decatur has became an important commercial hub for the region’s farm products and livestock
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Question 17 of 40
17. Question
People use muscles to make various movements, such as walk, jumping, or throwing.
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Question 18 of 40
18. Question
Emily Dickinson unmistakenly fixed her own highly individually and revolutionary personality in her elliptical and provocative poems.
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Question 19 of 40
19. Question
The human skeleton is made up of 206 bones of difference size and shapes.
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Question 20 of 40
20. Question
One of the earliest strike in United States history occurred in 1740 when bakers refused to work until their wages were increased.
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Question 21 of 40
21. Question
Count Basie’s distinctive piano style and band arrangements of the late 1930’s earned his an important place in jazz history.
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Question 22 of 40
22. Question
The wide range of elevations in the southern Appalachian Mountains allows for the great diverse of plant life found there.
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Question 23 of 40
23. Question
Four huge shield volcanoes have been observed on Mars, as well as a great number of small ones like found those on the Earth.
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Question 24 of 40
24. Question
The 1897 discover of gold in the Klondike hastened the commercial development of Washington State, as did the increasing trade with Pacific Islands.
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Question 25 of 40
25. Question
The Saint Lawrence River is young relatively by geological standards, as it was founded during the last ice age.
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Question 26 of 40
26. Question
With the ability produce and control fire, early humans could make heat and light and could cook foods that were difficult to eat raw.
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Question 27 of 40
27. Question
Only the female and the worker wasps are equipped with a sting, which they use it to attack their prey or to protect themselves against enemies.
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Question 28 of 40
28. Question
Compared with another breeds, quarter horses can start more quickly, turn more sharply, and run faster over short courses.
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Question 29 of 40
29. Question
Stars emit radio waves, which they may be detected and studied using radio telescopes.
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Question 30 of 40
30. Question
A glider is a type of aircraft resembling an airplane but often having not means of propulsion at all.
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Question 31 of 40
31. Question
A patrilineal extended family consists of core group of males, their wives, and their unmarried daughters.
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Question 32 of 40
32. Question
Herons inhabit marshy areas of the shores along fresh or salt water which they find fishes, frogs, crustaceans, and other aquatic animals to eat.
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Question 33 of 40
33. Question
A computer program that communicates with the user solely by choices providing from interlinked menus is said to be menu-driven.
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Question 34 of 40
34. Question
In the 1930’s few major orchestras in the United States hired woman, so many chose to perform in amateur musical groups as an alternative.
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Question 35 of 40
35. Question
Complex spacecraft are characterized by a various of supporting systems including communications, guidance and navigation, altitude control, and, in some cases, life-support
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Question 36 of 40
36. Question
When a piano board is substituted for buttons on right side of an accordion, the instrument is known as a piano accordion.
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Question 37 of 40
37. Question
Today’s lunar and solar eclipses can be predicted to within seconds of its occurrences, and interest in them is scientific as well as aesthetic.
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Question 38 of 40
38. Question
The windowless inner rooms of the Pueblo Bontio in New Mexico served for the storage of supplies, while the brighter outer rooms were using for living quarters.
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Question 39 of 40
39. Question
Ultrasonic is concerned with sound vibrates or waves of a frequency above 20,000 cycles per second, the upper range audible to the human ear.
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Question 40 of 40
40. Question
Freesia plants reach a height of two and one-half feet and thrive best at temperature of 50 degrees to 60 degrees Fahrenheit.