The purpose of an Eco-Machine is to ________
A) simulate photosynthesis
B) create graywater
C) treat saltwater
D) treat wastewater
E) reduce municipal water use
D
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What was one of the major centers of trade and culture in East Africa around 1000 C.E.?
A) Aksum B) Timbuktu C) Zanzibar D) Great Zimbabwe
The number of banks in the U.S. is declining due to mergers and acquisitions that are reshaping the industry
Indicate whether the statement is true or false
An indigenous ecosystem is one that
A) is heavily impacted by humans B) is not substantially impacted by humans C) is reconstructed by humans D) includes native human beings
China's economy has surged, and in 2014, overtook the United States as having the largest economy in the world. However China's economic success has been tempered by concerns. What are three weaknesses in the Chinese economy?