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!
A river delta is a landform that forms from deposition of sediment carried by a river as the flow leaves its mouth and enters slower-moving or standing water. This occurs where a river enters an ocean, sea, estuary, lake, reservoir, or (more rarely) another river that cannot transport away the supplied sediment.Despite a popular legend, this use of the word delta was not coined by Herodotus.he delta of the St. Clair River between the Canadian province of Ontario and the U.S. state of Michigan is the largest delta emptying into a body of fresh water.