This is not correct. The density of seawater is a function of both temperature a

Question

This is not correct. The density of seawater is a function of both temperature and salinity. Without knowledge of the salinity of your samples you cannot decide which sample to place at the bottom. So the correct answer is: It could be either way, depending on other factors (in this case the salinity of the samples). As your final assignment you are given four water samples A, B, C and D with the temperatures and salinities shown in the TS-diagram. You are asked to fill them into tanks as indicated on the list below. You correctly point out that some of the proposed arrangements are impossible to achieve because the layering would not result in a stable stratification. Which of the listed arrangements of water samples give(s) a stable stratification? Click on the selection of your choice, then click on Submit.

Explanation / Answer

The correct order for stable stratification (Top to bottom) is A,B,C,D

Stratification is the vertical density layering of water. Less dense water tends to float a top more dense water. With the increasing of temperature the density is decreased. In the graph" A "have highest temperature and "D" have lowest temperature.

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