The question of the origin of the Atlantic basin, like that of the other great divisions of the hydrosphere, is still unsettled.
Lakes and rivers are important sources of freshwater in the earth's hydrosphere.
Only one terrestrial planet is known to have an active hydrosphere, Earth.
Always changing, the hydrosphere never looks exactly the same from day to day.
The surface of the earth consists of the hydrosphere and the lithosphere.
I have always been fascinated with every aspect of the hydrosphere.
The hydrosphere is an essential component to the earth's surface.
The biggest and most recognizable components of the hydrosphere are the oceans and seas.
The hydrosphere is complex and fluid.
The Martian hydrosphere is radically different from our hydrosphere here on Earth.
Clouds are often included as a part of the hydrosphere, becuase they are composed mostly of water droplets.
The hydrosphere includes all water on the surface of the earth.
Together, the solid lithosphere and the liquid hydrosphere form the surface of the earth.
Ice and snow are often forgotten, but very substantial, parts of of the hydrosphere.
I learned about the hydrosphere in seventh grade, when I studied the earth.
The hydrosphere is one of the four spheres of the earth.