| 1. |
When the molten rock from volcanoes first erupts, its temperature is seven to ten times than hotter boiling water. |
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| 2. |
Animals use their teeths to chew, to seize food, and to fight. |
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| 3. |
One of the largest reflecting telescopes in the world are the Hale telescope, located at the Palomar Observatory in California. |
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| 4. |
Dolley Todd Madison served eight years as White House hostess for the widowed Thomas Jefferson, and continuing for another eight years when her husband was President. |
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| 5. |
Human emotions are expressed either with deliberate intent, as in acting, nor spontaneously, without forethought. |
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| 6. |
According to an ancient believe, when Kwakiutl dancers don elaborately carved masks of bird, they do not just imitate birds, they are birds. |
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| 7. |
The concept of parity in physics refers to the symmetry among an event and its mirror image. |
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| 8. |
Animation is a film technique that creates the illusion of mover in inanimate objects or drawings. |
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| 9. |
Balloon observations for military intelligence were made while the American Civil War. |
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| 10. |
As a teacher, research, and writer, Ira Remsen gave respectability to the professional study of chemistry. |
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| 11. |
Silver has it evolved from being exclusively a coinage and decorative material to being a metal of considerable industrial application. |
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| 12. |
The interstate highway system in the United States is characterized by a pattern of freeways and tollways that are accessibility, relatively safe, and fast. |
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| 13. |
Libraries do available-through books and a variety of other media-knowledge that has been accumulated through the ages. |
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| 14. |
Direct advertising includes all forms of sales information mailed, delivery, or displayed directly to the prospective buyer. |
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| 15. |
When salmon in Washington State’s Puget Sound region swim upriver to spawn, the Skagit River hosts the bigger of all the runs. |
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| 16. |
The United Farm Workers of America, under the leadership of Cesar Chavez, is dedicated at the improvement of working conditions for migrant farm laborers. |
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| 17. |
Catharine Beecher, a nineteen-centuries educator, promoted liberal education for women, although she opposed woman suffrage. |
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| 18. |
Much alike the elephant, the mastodon was a forest-dwelling animal. |
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| 19. |
A basic transformation of the traditional marriage relationship is under way in the United States today and many variables influencing the direction of change. |
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| 20. |
Most measurements involve to read some type of scale. |
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| 21. |
The soybean is undoubted the king of beans, and is rapidly becoming the most widely utilized bean in the world. |
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| 22. |
Histologists examine the organization of bodily tissue at all levels, from an entire organ down to the molecular components of cell. |
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| 23. |
Electric streetlights have been first used in 1879 and soon replaced gas-burning lamps. |
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| 24. |
Giant pandas, which inhabit restricted areas of high mountain bamboo forests, are rarely today, and when they are in captivity they breed poorly. |
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| 25. |
Because there is none exact definition for biological aging, there is no way to determine when the phenomenon begins. |
