Topography- a schema of a structural entity, as of the mind, a field of study, or society, reflecting a division into distinct areas having a specific relation or a specific position relative to one <span>another.
Elevation-</span><span>the state of being elevated.
There is many more for elevation just search up elevation define and there should be a dictionary website to define for you. In scientific ways :)</span>
Gases- Oxygen, hydrogen, carbon monoxide, nitrogen
