海洋中水域上层多为绿藻生长，水域中层多为褐藻生长，水域下层多为红藻生长。植物的这种分布主要决定于（）
A不同水层PH值不同
B不同水层含氧量不同
C不同水层温度不同
D不同水层获得的光不同
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You are employed as the exchange administrator at company.com.the company.com network contains an exchange 2010 organization.Company.com has its headquarters in stock holm where you are located.During the course of the week you receive an instruction from the cio to make sure those messages in the inbox folder of a company.com employee named kara lang is moved to a custom folder as soon as it reaches 51 days.What should you do？（）
A. you should first consider having a new mail folder created using microsoft office outlook. There after a journal rule should be created.
B. you should first consider having a new mail folder created using microsoft office outlook.There after use the inbox managed default folder to run the managed content settings wizard.
C. you should first consider having a managed custom folder created.thereafter a transport rule should be created.
D. you should first consider having a managed custom folder created.There after use the inbox managed default folder to run the managed content settings wizard.
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