Expeditions that explored Louisiana Purchase territory provided Americans more knowledge about the . A. American Plains, West, and Southwest B. American West and Southwest C. American Southwest and Midwest D. American Plains, Southeast, and Northeast

C

Explanation:

this forms a narrow, steep sided inlet (sometimes deeper than 1300 metres) connected to the sea. the terminal moraine pushed down the valley by the glacier is left underwater at the fjord’s entrance, causing the water at the neck of the fjord to be shallower than the main body of the fjord behind it.

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