Many vessels are provided with flume tanks,which also have a dump tank located under the flume tanks. In the event the ship is damaged,you could dump the flume tanks into the dump tank which would ().A、ReducethefreesurfaceeffectandraisetheKG B、NothaveanyeffectonfreesurfaceandraisetheKG C、ReducethefreesurfaceeffectandlowertheKG D、NothaveanyeffectonfreesurfaceandlowertheKG