A vessel behaves as if all of its weight is acting downward through the center of gravity，and all its support is acting upward through the（）.<br>A:keel<br>B:center of buoyancy<br>C:tipping center<br>D:amidships section

A vessel behaves as if all of its weight is acting downward through the center of gravity，and all its support is acting upward through the（）.
A:keel
B:center of buoyancy
C:tipping center
D:amidships section

出自：海船船员证

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