In figure 20-1, which air masses would be associated with cold, wet conditions?

The air masses that would be associated with cold, wet conditions would have to be A and D.

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Based on the given figure above, figure 20-1, the air masses that would be associated with cold wet conditions are A and D. On the same figure, the characteristics of the air mass labeled F are both A and C. I hope that this is the answer that you are looking for. 

There are allot let me mention a few. 1. catholicism 2. orthodox3. lutherans 4. protestants. they are different because, catholicism has a pope but not the orthodox even though they are almost the sames