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Great Lakes

Introduction

The Great Lakes are located in North America, creating a natural border between the U.S. and Canada. The five Great Lakes are: Lake Huron, Lake Ontario, Lake Michigan, Lake Erie, and Lake Superior. They were created when glaciers during the last ice age melted and began eroding the earth as they slid southward. They are considered a lake system because all five are connected to each other and can be traveled to transport goods and people. Niagara Falls is also an important part of the Great Lakes system, although it is not a lake. Niagara River connects two of the lakes, but it cannot be used for transport due to Niagara Falls. Housing developments and tourism increase the number of people that will be living around the Great Lakes. More people mean that there will most likely be more pollution. Pollution can destroy the plant and animal life that keep the lakes healthy. Erosion is caused by overuse of the lakes' shorelines and could eventually result in the lakes' dying or drying up. Over time the lakes could dry up. Lake Erie has already experienced one "death", and if the lakes are not cared for properly, the water supply could become unfit, fish will die, and otehr wildlife will be affected negatively.
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