I quote this from one of those images there: "Water makes up 98% of the Earth's volume." A quick estimate on my part, while making some large assumptions (a un

I quote this from one of those images there: "Water makes up 98% of the Earth's volume." A quick estimate on my part, while making some large assumptions (a uniform layer of 11km lying on top of a perfect sphere of radius 6356.8km), says it is 0.5% water by volume. I don't know what else you are trying to sell but I lost all interest at that point.