From Wikipedia, the free encyclopedia. An essential nutrient is a nutrient required for normal human body function that either cannot be synthesized by the body at all, or cannot be synthesized in amounts adequate for good health (e.g., niacin, choline), and thus must be obtained from a dietary source.rom Wikipedia, the free encyclopedia. An essential nutrient is a nutrient required for normal human body function that either cannot be synthesized by the body at all, or cannot be synthesized in amounts adequate for good health (e.g., niacin, choline), and thus must be obtained from a dietary source.
The Ozark s, also referred to as the Ozark Mountains and Ozark Plateau, is a physiographic region in the U.S. states of Arkansas, Missouri, Oklahoma, and Kansas. The Ozark s cover a significant portion of northern Arkansas and southern Missouri, extending from Interstate 40 in Arkansas to the suburbs of St. Louis.
Major Aquifer: Edwards, Carrixo-Wilcox. Size: Edwards Plateau: 31,000 sq mi, Llano Uplift: 5,000 sq mi. The Edwards Plateau region comprises an area of central Texas commonly known as the Texas Hill Country. It is a land of many springs, stony hills, and steep canyons. The region is home to a whole host of rare plants and animals found nowhere else on earth.