ANSWERS: 4
  • Geothermal and nuclear, not fission and fusion. Unless you want to get really picky and say that heavy elements are the result of supernovae, and are thus a form of sunlight (or at least solar power), in which case only fusion power.
  • Sunlight is photons are other radiation. Therefore lightning, wind, and hydropower.
  • Geothermal would be the only answer I can think of. That energy comes from the inside of Earth.
  • Magnetic fields are not stored sunlight. Moving a coil thru a magnetic field will induce a current in the wire and the electrons ( which also are not stored sunlight ) moving thru the wire can be used to do work. Thus amagnet is a non-stored source of energy.

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