Other renewable resources--geothermal (heat energy beneath the surface of the earth), wood, waste, wind, and the sun (solar)--are energy sources that are constantly replenished.
(Other renewable resources--geothermal; are; energy sources that are constantly replenished) (energy sources; are constantly replenished; )
Other renewable resources--geothermal energy sources
are are constantly replenished
energy sources that are constantly replenished