The study of Earth's surface landforms is known as geomorphology.
Geology.
Geology and or Geography.
Geologists study the Earths surface
Subsidence.
geology
Projection
It is called the crust.
Height above earths surface is called elevation
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.
A meteorite.