The geosphere is a term used to describe Earth’s solid matter, mostly composed of rock and secondly regolith ( particles that cover solid Earth) the Surface of Geosphere is where the energy that comes from outside meets energy from the Earth system.
The hydrosphere is a term that includes the total of Earth’s water resources such as lakes, oceans, streams, underground, surface water and finally snow and ice. The perennially frozen parts of the hydrosphere collectively referred to as the cryosphere.
The Atmosphere is a term used to describe the mixture of different gasses that surrounds Earth. These gases consist predominantly of nitrogen, oxygen, argon, carbon dioxide, and water vapour. Most people believe the atmosphere is thick.