the Nigerian petroleum refineries are located at one of the following pairs of town?

  • A Lagos and Port-Harcourt
  • B Port-Harcourt and Calabar
  • C Benin and Warri
  • D Calabar and Kaduna
  • E Port-Harcourt and Warri

The correct answer is E. Port-Harcourt and Warri

No explanation given
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