I think the answer might be Euchromatin. Chromatin exist in two forms. One being Euchromatin which is less condensed and can be transcribed.
I think the answer is B. physical activity during pregnancy may increase the likelihood of postpartum depression
I believe that the answer you are looking for is true.
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Answer: The answer is Erosion
Explanation: It is probable that the natural process of Erosion caused the exposed layers of rock in The Valley.
The first advertising agencies were? Answer Newspaper Space Brokers hope this helps