The Computron computer with its software, Acupro IIâ¢, is an electrodermal screening system. It is considered an investigational device by the U.S. Food and Drug Administration. The Acupro II measures conductance of the skin at acupuncture points. The skin is not punctured,only touched by a blunt probe.
How much rainfall does a desert get? A desert is defined as an area that receives on average less than10 inches (250 mm) of precipitation per year. Some desert areasreceive virtually no rain at all for years.
Precipitation. This is one of the driest biomes on the planet, with annual rainfall (which includes melting snow) averaging between 6-10 inches a year (the tundra biome). To put that in perspective, the sahara desert averages 3-5 inches per year! This fact is what makes the tundra a 'cold desert' (National Geographic).