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| 1. |
Evolution of hydrosphere |
| Answer» The\xa0hydrosphere\xa0is the combined mass of water\xa0found on, under, and above the surface of a planet, minor planet\xa0or natural satellite. Although the Earth\'s hydrosphere has been around for longer than 4 billion years, it continues to change in size. This is caused by seafloor spreading\xa0and continental drift, which rearranges the land and ocean.\tHydrosphere on the earth refers to the water domain in all the states: solid, liquid and gaseous.\tIt includes the water present in rivers, lakes, oceans, ice caps, and glaciers, etc.\tIt extends several kilometers below and above the earth’s surface. | |