How does the buoyancy force change for a ship sailing from the Mediterranean Sea to the Black Sea, considering the fact that the Mediterranean Sea is saltier and denser compared to the Black Sea (3 Points, recommended time: 2 min)? a. The buoyancy force decreases b. The buoyancy force does not change c. The buoyancy force increases d. The buoyancy force first decreases and then increases e. The buoyancy force first increases and then decreases