C Which of the following is not an example of how Europeans have made important uses of their water supply?
A. aquaculture fish farming
B dams that harness energy
C. underwater waste containment systems
D. canals that transport people and supplies

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europeans carried a hidden enemy to the indians: new diseases. native peoples of america had no immunity to the diseases that european explorers and colonists brought with them. diseases such as smallpox, influenza, measles, and even chicken pox proved deadly to american indians

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