• WHATWhat is "oil"? Definitions and characteristics.

  • WHERE How is offshore oil found and extracted? Offshore extraction (drilling).

  • FOR WHAT A wide range of uses. Energy generation, transportation, feedstock for a large number of industrial products.

  • HOW MUCHQuantities — how much oil, for what, and ending up where? Reserves, extraction, production, consumption, and discharges into the marine environment.

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