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322

Q:

सूक्ष्म-जीव मृत पादपों पर_के उत्पादन के लिए क्रिया करते हैं।

  • 1
    बालू
  • 2
    कुकुरमुत्ता
  • 3
    ह्यूमस
  • 4
    काष्ठ
  • Show Answer
  • Workspace

Answer : 3. "ह्यूमस"
Explanation :

Micro-organisms act upon the dead plants to produce a brown or black coloured substance called humus. Humus enriches the soil with minerals and nutrients.

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