What is another word for geosphere?
Pronunciation: [d͡ʒˌiːə͡ʊsfˈi͡ə] (IPA) 
The geosphere refers to the solid, rocky part of the Earth's surface, including the crust and upper mantle. Other words that can be used as synonyms for geosphere include lithosphere, crust, and earth's outer shell. The lithosphere refers to the outermost layer of the solid Earth, which includes the crust and the uppermost part of the mantle. Crust is the outermost layer of the Earth's surface, which varies in thickness, composition, and age. Earth's outer shell is another term used to describe the geosphere. It comprises the Earth's crust and uppermost mantle and is also referred to as the lithosphere-asthenosphere system.
