In a turbite bed: sediment is deposited chronologically. sediment is deposited according to particle size. the top layer is the oldest. the bottom layer is the youngest.

In a turbite bed sediment is deposited chronologically. The correct option among all the options that are given in the question is the first option. The top layer is always the youngest layer than the bottom layer of the turbite bed. I hope that the answer has come to your help. 

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Explanation: