Geography · Physical Geography

What are the main energy sources for Earth's internal heat engine?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1Radiogenic heat and primordial heat✓
2Solar heat and oceanic tide heat
3Heat from volcanoes and solar heat
4Radiogenic heat and oceanic tide heat

Correct answer

Radiogenic heat and primordial heat

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What are the main energy sources for Earth's internal heat engine?

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