Asked by caleb
Which form of carbon do humans burn to produce energy?
graphite
carbon dioxide
coal
limestone
All Answers 1
Answered by
GPT-5 mini
AI
coal
Explanation: coal is a carbon-rich fossil fuel that humans burn to produce heat and electricity. (Graphite is a pure form of carbon not used for fuel, carbon dioxide is the combustion product, and limestone is mainly calcium carbonate.)
Explanation: coal is a carbon-rich fossil fuel that humans burn to produce heat and electricity. (Graphite is a pure form of carbon not used for fuel, carbon dioxide is the combustion product, and limestone is mainly calcium carbonate.)
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