Which of the following statements about using geothermal energy is not true?
a. geothermal energy can be used to fuel vehicles.
b. geothermal energy can be used as a source of electricity.
c. geothermal energy can be used as a source of heat.
d. geothermal energy is a renewable resource.

geothermal energy can be as a source of electricity

they both go up but then go back down. they both end lower than they started. lastly, they both are competitive/the second on.

explanation:

the relative standard reduction potential of the half-cell in which reduction occurs; more positive than the other half-cell. reduction is a chemical process in which electrons are added to an atom or an ion; it always occurs accompanied by oxidation of the reducing agent.