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<p>My gosh, that is absolutely wrong. Your physics is incorrect. A glacier floating in water does not increase water levels when a piece of it above the water falls off. You are absolutely incorrect. If I have a bowl of water with a large ice-cube floating in it, and I chip off a large chunk of that ice cube (that is above the water) and let it fall into the bowl… that water level does not rise. The ice (which is water) displaces the liquid water underneath equivalent to that mass… i.e. if you measure the ice cube and the amount of water displaced by that ice cube, it is equal! It doesn’t matter if it is broken into pieces or a chip falls off from the above-water section. </p>
<p>You’re right, I’m sorry I didn’t mention this before, because you were totally wrong.</p>