+Hydrocarbons are fundamental organic compounds, composed exclusively of hydrogen and carbon atoms, forming the backbone of much [Organic Chemistry](/wiki/Organic_Chemistry). These versatile molecules are the primary constituents of [Fossil Fuels](/wiki/Fossil_Fuels), serving as critical energy sources for human civilization.
+## See also
+- [Alkanes](/wiki/Alkanes)
+- [Petroleum](/wiki/Petroleum)
+- [Energy](/wiki/Energy)
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