Zebra mussel pipe obstructions are largely concentrated around the Great Lakes and

Zebra mussel

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The correct answer is B. Zebra mussel pipe obstructions are largely concentrated around the Great Lakes and Mississippi River areas. Zebra mussels are an invasive species that originated from Eurasia and were introduced to North America in the late 1980s through the ballast water of ships. They have since spread to many freshwater lakes and rivers, especially in the Midwest and Northeast regions of the United States and Canada. Zebra mussels can attach themselves to hard surfaces, such as pipes, pumps, valves, and filters, and form dense colonies that reduce or block the water flow. This can cause serious problems for industries, utilities, and municipalities that rely on water intake or delivery systems.Zebra mussels can also damage aquatic ecosystems, infrastructure, and recreation by competing with native species, altering water quality, and fouling boats and equipment12345