I am going to fill a glass partly full of cubes and leave it on the counter tonight. I will leave some cubes sticking out above the glass, but the majority of ice will be underwater. It should not flood over if this is true:
Only land-based ice can add to the volume of water in the oceans.
Well mr. scientist, don’t get confused by the sweat from the glass sides that will puddle on the counter, thinking the water inside ran out! Glad you’re not designing nuclear reactors!!!!!