Natural resources are resources that exist without actions of humankind. This includes all valued characteristics such as magnetic, gravitational, electrical...
U.F.O.
The Sightings, Information and Resources Guide.........
What Is A UFO?
Unidentified flying object (commonly abbreviated as UFO or U.F.O.) ......
ACSMs Resources for the Personal Trainer 4th
Author(s): American College of Sports Medicine (ACSM)
Publisher: Lippincott Williams & Wilkins, Year: 2013......