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Uncover Earth's Hidden Heat
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Uncover Earth's Hidden Heat

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@WarmheartedTrust

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Questions and Answers

Which two sources contribute to Earth's internal heat in roughly equal amounts?

  • Solar radiation and radiogenic heat
  • Radiogenic heat and primordial heat (correct)
  • Geothermal gradients and mantle convection
  • Volcanism and plate tectonics

    • What drives mantle convection, plate tectonics, mountain building, rock metamorphism, and volcanism?

  • Earth's internal heat (correct)
  • Solar radiation
  • Incoming solar radiation
  • Geothermal gradients

    • What is theorized to sustain Earth's magnetic field?

  • Mantle convection
  • Plate tectonics
  • Radiogenic heat
  • Geodynamo (correct)

    • What percentage of Earth's total energy budget at the surface does Earth's interior heat contribute?

    <p>0.03%</p> Signup and view all the answers

    What is the estimated flow of heat from Earth's interior to the surface?

    <p>47±2 terawatts (TW)</p> Signup and view all the answers

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