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The three most important grain crops of the world are?

The three most important grain crops of the world are?
  • A.
    guinea corn, millet and rice
  • B.
    wheat, rice and millet
  • C.
    rice, wheat and maize
  • D.
    rice, millet and maize
  • E.
    rice, wheat and guinea corn
Correct Answer: Option C
Explanation