question_answer 3)

Most of the sources of energy we use represent stored solar energy. Which of the following is not ultimately derived from the sun's energy? (a) geothermal energy                     (b) wind energy   (c) nuclear energy                          (d) biomass  

Answer:

The correct answers are (a) and (c). Geothermal energy and nuclear energy are not, in any way, derived from the sun's energy.