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← HistoryWhich outcome limited the range of early Viking longships relative to later designs?
A)Variable sailcloth porosity increased drag✓
B)Rudder size limited course corrections
C)Iron keel corrosion increased hull weight
D)Inadequate oar number reduced maneuverability
💡 Explanation
Variable sailcloth porosity increased drag because it lessened the sail's aerodynamic efficiency by allowing air to pass through the material unevenly and therefore reducing the thrust, rather than being caused by rudder size or corrosion.
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