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← HistoryWhich navigational risk grew when 18th-century ships overloaded ballast?
A)Increased ship-righting moment
B)Higher propulsive engine strain
C)Reduced metacentric height✓
D)Decreased freeboard stability
💡 Explanation
A lower *metacentric height* increases capsize risk because the ship becomes less stable. A top loaded ballast raises the center of mass, reducing the *righting arm*; therefore, the ship is then more inclined to roll further rather than returning upright due to destabilizing torque.
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