To help diagnose generalized anxiety disorder, your health provider may: 1  Do a physical exam to look for signs that your anxiety might be linked to an underlying medical condition. 2  Order blood or urine tests or other tests, if a medical condition is suspected.
Runoff that occurs on the ground surface before reaching a channel is also called a nonpoint source. If a nonpoint source contains man-made contaminants, or natural forms of pollution (such as rotting leaves) the runoff is called nonpoint source pollution.
A well-drained soil is red or brown incolor; a fair-drained soil is yellow in color; and a poorly drained soil is gray in color. Mottled subsoilindicates it is saturated with water at certain times of the year and dry at other times of the year.