The big bubble is all water, frozen, sea, etc. The small bubble is all fresh (rain clouds etc), rivers, lakes. The smaller is lakes and rivers only. Here's an

The big bubble is all water, frozen, sea, etc. The small bubble is all fresh (rain clouds etc), rivers, lakes. The smaller is lakes and rivers only. Here's an article showing comparisons to various moon ice. https://www.businessinsider.com/earth-water-ice-volume-versus-planets-moons-2018-5 https://www.businessinsider.com/earth-water-ice-volume-versu...