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Friday, 12 June 2026
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In which layer of the soil profile do most biological activities occur?

In which layer of the soil profile do most biological activities occur?
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A D-horizon
  • B C-horizon
  • C B-horizon
  • D A-horizon
Correct Answer: Option D
Explanation:
D is correct as this A-horizon contains most minerals and organic matter.

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