Compléter WaterVersion en ligne Complete the summary with the words par Javier Grande 1 lakes rain snow rivers salt groundwater mountain oceans Most of the water that covers the Earth's surface is water in seas and . Fresh water comes from , snow and ice . On land , fresh water forms streams and that flow down from high land into , seas and oceans . At the Poles and on peaks , frozen fresh water is found in the form of or ice . There is a lot of under the Earth's surface .