_ lose more heat to the environment than evacuated-tube solar collectors.
A. Photovoltaics
B. Solar stills
C. Solar air conditioners
D. Flat-plate collectors
Answer:D
_ lose more heat to the environment than evacuated-tube solar collectors.
A. Photovoltaics B. Solar stills C. Solar air conditioners D. Flat-plate collectors
Explanation: Flat-plate collectors lose more heat to the environment than evacuated-tube solar collectors. Photovoltaics, solar stills and solar air conditioners are not solar collectors.