Claim A: Geothermal Energy is too complicated to ever be used on a large scale Claim B: Geothermal Energy is a promising new method of heating American homes. Which claim does the following piece of evidence best support? Green technology expert Andrew Blandsmeier explains that Geothermal energy takes advantages from the constant natural heat beneath the earth’s surface by running water through pipes deep underground and then pumping it back to the surface to heat homes or office buildings.