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The correct answers are:
1. b. $15 million. To learn more, click here.
2. c. The Charles River in Boston. To learn more, click here.
3. a. 4 miles. To learn more, click here.
How did you do? Be sure to keep up on the latest water-related news, because another installment of “Test Your Knowledge” will be coming in the next WaterShapes EXTRA!