Here's why:

* Geosphere: This refers to the solid, non-living parts of the Earth, including the crust, mantle, and core. Rocks and sediments are fundamental components of the Earth's crust.

* Hydrosphere: This encompasses all the water on Earth, including oceans, lakes, rivers, and groundwater.

* Atmosphere: This is the layer of gases that surrounds the Earth.

* Biosphere: This includes all living organisms on Earth, from microscopic bacteria to giant trees.

Let me know if you have any other questions!