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Home Q & A Board Science-Related Homework Help Geography and Earth Sciences
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bromonox bromonox
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8 years ago
A river is flowing in a broad, alluvial valley and the river is silt-laden but also moves sand and a small amount of gravel.  The government decides to build a dam across the valley for power and flood control.  What will happen to the river, upstream of the dam?
A) The river will start to deposit sand and gravel, frequently spilling out of its channel.
B) The river will not change.
C) The river will downcut.
D) The river will respond to the new temporary base level and cut laterally outside its valley, widening the valley.
Textbook 
Earth Science

Earth Science


Edition: 14th
Authors:
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PulsaPulsa
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8 years ago
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bromonox Author
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#2
8 years ago
Grazie! (means thank you in Italian Face with Stuck-out Tongue)
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