A continual worsening of the list or trim indicates（）.

A vessel trimmed by the stern has a（）.

Deballasting a double bottom has what affect on KG?（）.

A vessel’s KG is determined by（）.

For a given displacement，the righting arm has its maximum value when（）.

A floating vessel will behave as if all of its weight is acting downward through the（）.

If the cause of severe list or trim is off-center ballast，counterflooding into empty tanks will（）.

The geometric center of the waterplane area is called the（）.

A wind has caused a difference between drafts starboard and port. This difference is（）.

A ship is inclined at an angle of loll. In the absence of external forces，the righting arm (GZ) is（）.