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Home Q & A Board Science-Related Homework Help Geography and Earth Sciences
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MrDereche MrDereche
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9 years ago
Which one of the following statements correctly describes how stream terraces can form?
A) Base level drops; the stream aggrades its channel, and the former floodplain is left below the present elevation of the stream.
B) A temporary base level is eliminated; the stream downcuts upstream from the old temporary base level, and the former floodplain is left well above the present elevation of the stream.
C) Base level rises; the stream downcuts, and the old floodplain is left well above the elevation of the present-day channel.
D) A temporary base level is eliminated; the stream aggrades its channel upstream from the old temporary base level, and the former floodplain is left well above the present elevation of the stream.
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milestone23milestone23
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9 years ago
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