The earth's hydrosphere consists of oceans, lakes, rivers, swamps, groundwater and glaciers, both liquid and solid water  According to scientists' estimates, the total water volume of the earth's surface is about 1 4 billion cubic kilometers, of which ocean water accounts for 97 3%, land water dominated by glaciers accounts for 2
7%, and water in the atmosphere is almost negligible compared to the former two
There is liquid water in seawater, and there may be solid water