Question

the geyser old faithful in yellowstone national park is powered by what kind of energy?
a. electrical energy
b. nuclear energy
c. wind energy
d. geothermal energy

Explanation:

Old Faithful is a geyser that relies on heat from the Earth's interior to heat underground water, creating the pressure that leads to its eruptions. This heat from within the Earth is defined as geothermal energy, which matches option D. The other options are incorrect: electrical energy is not the source, nuclear energy comes from atomic reactions, and wind energy is from air movement, none of which power the geyser.

Answer:

D. geothermal energy