Results. A sodium test checks how much sodium (an electrolyte and a mineral) is in the blood. The normal values listed hereâcalled a reference rangeâare just a guide. These ranges vary from lab to lab, and your lab may have a different range for what's normal.esults. A sodium test checks how much sodium (an electrolyte and a mineral) is in the blood. The normal values listed hereâcalled a reference rangeâare just a guide. These ranges vary from lab to lab, and your lab may have a different range for what's normal.
The Missouri River is a tributary of the Mississippi River. Mountain Range A mountain range is a series of mountains ridges alike in form, direction, and origin. Plain Plains are flat lands that have only small changes in elevation. Peninsula A peninsula is a body of land that is surrounded by water on three sides. Valley A valley is a low place between mountains. Delta A delta is a low, watery land formed at the mouth of a river. It is formed from the silt, sand and small rocks that flow downstream in the river and are deposited in the delta. Island An island is a piece of land that is surrounded by water. Now letâs see what you know!
Landforms and Bodies of Water. A landform is a natural physical feature of the Earth's surface. Archipelago-a group or chain of islands clustered together in a sea or ocean. Arroyo-a gully that has been carved by water. Atoll-a ring (or partial ring) of coral that forms a ring around a lagoon.andforms and Bodies of Water. A landform is a natural physical feature of the Earth's surface. Archipelago-a group or chain of islands clustered together in a sea or ocean. Arroyo-a gully that has been carved by water. Atoll-a ring (or partial ring) of coral that forms a ring around a lagoon.