he dragon backbone pump was invented during the Song dynasty. What does a dragon backbone pump do? a. helps doctors treat bone illnesses b. helps pump water out of flooded boats c. allows one man to scoop water from one place and dump it into an irrigation canal d. automatically pumps arrows through a long tube
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History, 21.06.2019 15:10
Interpretations of the concept that "all men are created equal" have changed since the declaration of independence was written. which historical development best illustrates this change. apex
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History, 21.06.2019 22:30
How did the first punic war differ from the second punic war
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History, 21.06.2019 23:00
Which of these statements describes a long-term impact of european imperialism in africa? a. african countries joined together to present a united front against imperialism. b. europeans paid african countries after colonizing them, offering these new countries a fresh start. c. european powers drew the current borders, splitting ethnic groups among modern countries. d. africans became more loyal to their countries than to their ethnic groups.
Answers: 1
he dragon backbone pump was invented during the Song dynasty. What does a dragon backbone pump do? a...
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