Q2: Fill in the blanks. 1x3 = (3) 1. _____________ are cylindrical containers for bulk storage of grains. 2. Blue green algae fix _______________ directly from air and enhance fertility of soil. 3. The practise of rearing and caring of farm animals_______________
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27
Answer:
Silos, atmospheric nitrogen, animal husbandry..........
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Answer:
silos atmospheric nitrogen
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