What solar thermal technologies are useful for industrial processes?
A. Photovoltaics and solar air collectors
B. Solar air collectors and geothermal energy
C. Solar air collectors and solar water systems
D. Geothermal and photovoltaics
Answer:C
What solar thermal technologies are useful for industrial processes?
A. Photovoltaics and solar air collectors B. Solar air collectors and geothermal energy C. Solar air collectors and solar water systems D. Geothermal and photovoltaics