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Question 3 (1 point)

Which of the following is a major factor contributing to the "brackish water" (low sa
levels) found in the Baltic Sea?
Enormous water depth
Melting Ice Sheets
Over-fishing

1 Answer

5 votes

Final answer:

The low salt levels in the Baltic Sea, known as brackish water, are mainly caused by its enormous water depth and the melting ice sheets. Over-fishing does not have a significant direct impact on salinity levels.


Step-by-step explanation:

One of the major factors contributing to the brackish water (low salt levels) found in the Baltic Sea is the enormous water depth. The Baltic Sea is relatively shallow, with an average depth of 55 meters, which limits its access to saltier ocean waters. Another factor is the melting ice sheets that dilute the salinity of the sea. Lastly, while over-fishing can disrupt the ecosystem and contribute to environmental changes, it is not a major direct factor affecting the salinity levels in the Baltic Sea.


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