UHC is a three letter acronym that may designate one of the following: 1  Universal health care or Universal health coverage. 2  Unburned hydrocarbon. 3  Unicorn Hobby Company.  University Hospitals of 1  Cleveland. United Healthcare, a large health insurer in the  U.S.
When you have finished this page, try the Roots Quiz. The root is the part of a plant that is usually found underground but can also be above ground. Roots' jobs are: To absorb or take in water and minerals from the ground. To hold the plant in place. To store food for the plant. To prevent soil erosion.
Tree Root Structure. To understand how trees are affected by root disturbance it is important to understand the structure of a treeâs root system. Ninety percent of the root system is located in the first 12 to 18 inches of soil. The roots extend radially from the trunk one to two times the height of the tree.