Fossil fuel

{
  "id": "MLC-T-CHM-004612",
  "term": "Fossil fuel",
  "field": "Chemistry",
  "definition": "A natural fuel, such as coal, oil, or natural gas, formed in the geological past from the remains of living organisms. These fuels are rich in carbon and hydrogen and release energy when combusted, making them primary sources of energy for human activities. Their formation typically involves millions of years of heat and pressure acting on organic matter.",
  "subject": "Chemistry and the Environment",
  "see_also": [
    "decomposition"
  ],
  "references": [
    "PAC, 1990, 62, 2167. 'Glossary of atmospheric chemistry terms (Recommendations 1990)' on page 2190 (https://doi.org/10.1351/pac199062112167)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/fossil-fuel/"
}