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Graded bedding is characterized by ____________.
a. an increase in sediment size from bottom to top
b. a decrease in sediment size from bottom to top
c. an unsorted mixture of many different sediment sizes
d. being found only on the continental slope off the newfoundland coast.

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aye0shorty
In geology, a graded bed is one characterized by a systematic change in grain or clast size from one side of the bed to the other. Most commonly this takes the form of normal grading, with coarser sediments at the base, which grade upward into progressively finer ones.

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