The major cities on the sea are Cagayan de Oro City[?], Iligan City[?], Butuan City[?], Dumaguete City[?], Ozamis City[?], and Tagbilaran City[?].
The sea connects to the Philippine Sea through the Surigao Strait[?], and to the Sulu Sea to the strait between Negros and Zamboanga Peninsula.
... navigation, a knot is a unit of speed: one knot is one nautical mile per hour = 1.852 km/h = 0.514 m/s.
In many sailing ships, speed was measured ...
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