In Paragraph 5, the author suggests that the railroad was responsible for
A. the founding of townships on the west coast of America.
B. enabling people to travel to different countries.
C. popularizing the Mississippi River region.
D. the major development of America's western lands.
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The word spawned in the passage is closest in meaning to
A. remained with.
B. held off.
C. brought forth.
D. stood for.
In Paragraph 2, the author explains the nature of the Renaissance by
A. discussing ancient Greek and Roman history.
B. relating the accomplishments of Plato and Cicero.
C. providing a definition for the name itself.
D. describing Florence, Italy, in the fourteenth century.
The word marked in the passage is closest in meaning to
A. signed.
B. clear.
C. rapid.
D. special.
Which of the sentences below best expresses the essential information in the highlighted sentence in the passage？ Incorrect choices change the meaning in important ways or leave out essential information.
A. Eroded sediments from rocks at the surface would be slowly transported to the depths of the ocean, where intense heat would change their physical structure.
B. Rocks brought to the surface by volcanoes were eroded, carried as sediments to the seafloor, and then formed into rocks to begin the cycle anew.
C. Erosion was the driving force behind this rock cycle, for without it, there would be no fresh sediments to form. new rocks.
D. The immense power released during periods of volcanic activity resulted in the movement of rocks from great depths up to the surface.
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