In 1927, this dam was built across the Elwha River in Washington State. This caused the river's delta to shrink. Why do you think this happened?
A. The dam caused the river's water to flow faster and erode more materials.
B. The dam kept sediments from being carried downstream and deposited.
C. The dam caused the river to empty into a different area.
Answers: 2
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In 1927, this dam was built across the Elwha River in Washington State. This caused the river's delt...
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