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Saturday, 04 April 2026
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Which of these is a trace element?

Which of these is a trace element?
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Iron
  • B Copper
  • C Calcium
  • D Sulphur
Correct Answer: Option B
Explanation:

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