MCQ
Which of the following elements is essential for energy related compounds?
  • A
    Magnesium and Manganese.
  • B
    Magnesium and Oxygen.
  • Magnesium and Phosphorus.
  • D
    Phosphorus and Oxygen.

Answer

Correct option: C.
Magnesium and Phosphorus.
Magnesium and Phosphorus.

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