Multiple choice

Which of the following statements is/are true?

  1. 80% of the geothermal energy of the Earth's crust originates from radioactive decay of minerals.
  2. The US is the largest producer of geothermal energy.

  1. Only 1

  2. Only 2

  3. Both of these

  4. Neither of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Statement 1 is correct. The geothermal energy of the Earth's crust originates from the original formation of the planet (20%) and from radioactive decay of minerals (80%). At the core of the Earth, most of the thermal energy is created by radioactive decay.

Statement 2 is correct: The United States led the world in geothermal electricity production with 3086 megawatts (MW) of installed capacity from 77 power plants.

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