Who was responsible for most of the progress in science and math after the fall of the Roman Empire?
a. Arabs
b. Greeks
c. Asians
d. Vikings
ANS: A
The progress in medicine, astronomy, philosophy, and mathematics was primarily made by Arabs.
They also imported advances in technology, like the compass, from Asia. Information can be found in
the section Understanding the Ocean Began with Voyaging for Trade and Exploration.
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A. 1.5 B. 8 C. 4 D. 2
The intertropical convergence zone's (ITCZ) location ________.
A. flips between one of two possible locations B. varies with the seasons C. varies with the lunar cycle D. is always within one degree of latitude from the equator
Based on the accompanying hydrograph, what was the stream discharge when the data period shown in the graph ended?
A. 4 meters per second B. 9 cubic meters per second C. 10 cubic meters per second D. 1.8 meters per second E. 4 cubic meters per second
After examining every single cell in your body, you would conclude that humans are made up mostly of __________.
a. dead cells b. fungal cells c. bacterial cells d. plant cells