The marine biologists studied two areas of the Black Sea. Area A, situated at the mouth of the Danube River, which presented high levels of water stratification, because of the fresh water discharged by the river; and area B, situated 35 miles south, where the water was less stratified and more oxygenated. Given the paragraph above, please answer correctly the following question: Which of the two areas was less oxygenated?
Answer:
Area A