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6. The point of the keel
It is good to have a keel on a sea-going vessel because:
A) It helps to fend off sharks
B) It will warn you of shallow water
C) It keeps the vessel from being blown sideways ü
D) It strengthens the hull
A keel reduces side-slip and makes the boat easier to steer. Small sailboats often have a centerboard instead, which can be retracted so the boat can sail in shallow water.
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