Which of the following is NOT a primary energy source available on earth?
A. Geothermal
B. Ethanol
C. The sun
D. The movement of the earth and moon
Answers
Answered by
6
Answer:
Geo-thermal energy is the energy, which is generated and stored in the earth. 20 % of the geo-thermal energy has originated during formation of the planet and 80% from radioactive decay of materials. Hence, geo-thermal energy is not derived from sun.
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Answered by
3
Answer:
B
Explanation:
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