What compound almost exclusively makes up petroleum?
A) Ore
B) Coal
C) Hydrocarbon
D) Minerals
nswer: C
Explanation: A) Incorrect. Petroleum is a substance made almost exclusively of hydrocarbons (organic compounds that contain only carbon and hydrogen).
B) Incorrect. Petroleum is a substance made almost exclusively of hydrocarbons (organic compounds that contain only carbon and hydrogen).
C) Correct. Petroleum is a substance made almost exclusively of hydrocarbons (organic compounds that contain only carbon and hydrogen).
D) Incorrect. Petroleum is a substance made almost exclusively of hydrocarbons (organic compounds that contain only carbon and hydrogen).
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