Key term for OCR GCSE Chemistry A, used in Interpreting and interacting with earth systems.
Microscopic marine organisms whose buried remains were compressed over millions of years to form crude oil and natural gas.
Plankton appears in OCR GCSE Chemistry A revision content for Global challenges, especially Interpreting and interacting with earth systems and Atmospheric Formation.
Global challenges
Interpreting and interacting with earth systems • Atmospheric Formation
Global challenges
Organic chemistry • Hydrocarbons Dependency
Global challenges
Organic chemistry • Crude Oil Importance
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