The Nitrogen cycle 0.0 / 5 ? BiologyThe Nitrogen CycleGCSEOCR Created by: xxemilyxxCreated on: 17-05-14 15:58 2314 Across 1. Plants, animals and urea decompose and form this (7) 3. Turns ammonia into nitrates (10, 8) 4. Turns Nitrates into N2 (12, 8) Down 2. Nitrates turn into these when they are absorbed by roots (5, 8)
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