Biogeochemical Cycles Question
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Choose the correct order of events in the nitrogen cycle.
- Nitrogen is in air, bacteria fix nitrogen, animals get nitrogen from plants, animals die and decompose.
- Animals die and decompose, animals get nitrogen from plants, nitrogen is in air, bacteria fix nitrogen.
- Bacteria fix nitrogen, nitrogen is in air, animals get nitrogen, animals die and decompose.
- Nitrogen is in air, animals get nitrogen from plants, bacteria fix nitrogen, animals die and decompose.