The study of Earth's surface landforms is known as geomorphology.
Geology.
Geology and or Geography.
Geologists study the Earths surface
Subsidence.
geology
Height above earths surface is called elevation
Projection
It is called the crust.
The science of studying Earth's surface and its features is called geology. Geologists study the composition, structure, and processes of the Earth's crust, as well as the history of the planet and its formation.
Historical geology.
it is called magma.
The Earth's surface layer is called the crust.