The Romans tied their far-flung empire together with
A. Human runners
B. the Internet
C. roads
D. railroads
C. roads
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Greenwich Mean Time (GMT) is the time at
A) the International Date Line. B) the Prime Meridian. C) the meridian traveling through Washington DC. D) the meridian traveling through Paris, France.
Tectonic creep is the major cause of earthquakes in coastal California
Indicate whether the statement is true or false
Which of the following characterizes Earth's revolution?
A) It takes approximately 24 hours. B) It is responsible for creating the circle of illumination, and hence, day/night relationships. C) It is clockwise when viewed from above the North Pole. D) It determines the timing of seasons and length of the year.
Which flammable range value presents the greatest danger?
a. The lowest LEL b. The lowest UEL c. The widest spread between the LEL and the UEL d. The highest LEL