Hydrosphere- the watery part of earth's surface, including oceans, lakes, water vapor in the atmosphere, ect.
Geosphere (lithosphere)- the solid part of the earth consisting of the crust and outer mantle
Atmosphere- The gaseous mass or envelope surrounding a celestial body, especially the one surrounding the earth, and retained by the celestial body's gravitational field.
Biosphere- the part of the earth's surface and atmosphere inhabited by living things