Explain all answers clearly, with complete sentences and proper essay structure if needed. An asterisk (*) designates a quantitative problem, for which you should show all your work.
Internal vs. External Heating. Earth’s internal heat leaks out through the surface with a power of about 3 trillion watts. Divide this amount by Earth’s total surface area to find the rate of heat loss per square meter. Compare your result to the amount of power contributed by sunlight, which provides an average of about 400 watts square meter in daylight.
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