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Question
Which of the following agents of erosion deposits the most poorly sorted sediment?
Which of the following agents of erosion deposits the most poorly sorted sediment?
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Solution
The correct option is C Ice
Ice is the poorest sorter of sediment. Glaciers can
transport almost any size sediment easily, and when ice flow slows down or
stops, the sediment is not deposited, due to the density of the ice. As a
result, sediments deposited directly by ice when it melts are usually very poorly
sorted. Significant sorting only occurs in glacial sediments that are
subsequently transported by melt water from the glacier. Wind, on the other
hand, is the best sorter of sediment, because it can usually only transport
sediment that ranges in size from sand to clay. Occasional variation in wind
speed during transport serves to further sort out these sediment sizes.
Ice is the poorest sorter of sediment. Glaciers can transport almost any size sediment easily, and when ice flow slows down or stops, the sediment is not deposited, due to the density of the ice. As a result, sediments deposited directly by ice when it melts are usually very poorly sorted. Significant sorting only occurs in glacial sediments that are subsequently transported by melt water from the glacier. Wind, on the other hand, is the best sorter of sediment, because it can usually only transport sediment that ranges in size from sand to clay. Occasional variation in wind speed during transport serves to further sort out these sediment sizes.
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