I am stored in the ground and beneath the sea, I can power your homes, yet I am not free. What am I?
Category: Science · Difficulty: medium
Hint: Think about traditional energy sources extracted from earth.
Answer
Fossil fuels
Explanation
Fossil fuels, such as coal and oil, are energy sources derived from decomposed organic matter, used widely for power generation.
This is a medium science riddle — a moderate challenge for most people. The answer is Fossil fuels.
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