Question

Geothermal power is considered to be renewable because any projected heat extraction is small compared to the Earth's heat content.
Geothermal power is also considered to be sustainable thanks to its power to sustain the Earth's intricate ecosystems. What negative effects does the use of geothermal energy in power generation have on the environment?
A) Geothermal power plants cause thermal pollution in nearby streams and rivers.
B) Geothermal power plants require large land masses, destroying habitats and disrupting ecosystems.
C) Geothermal power plants are associated with sulfur dioxide and silica emissions, and the reservoirs can contain traces of toxic heavy metals including mercury, arsenic and boron.
D) Geothermal power plants allow greenhouse gas below the Earth’s surface

Answer 1

The correct answer is C