Which of the Following Best Describes How This Geothermal Heat

Multiple Choice

Which of the following best describes how this geothermal heat pump works?

A) the pressure of hot water from a deep well turns a turbine and generates electricity.
B) Steam separated from hot water pumped from underground turns a turbine and generates electricity.
C) water is transferred from a deep well to a coil exposed to solar radiation to heat the water sufficiently to generate steam, which turns a turbine and generates electricity
D) a pipe with heated oil is sent deep into Earth to initiate a volcanic eruption then is tapped so that the energy can be used to generate electricity.
E) water is transferred from a deep well into a hot water tank, which is kept at a constant temperature by combustion of natural gas.