Nitrogen Cycle
Quiz by Kloepfer, Rebecca O
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5 questions
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- Q1What is the most common way that nitrogen fixation occurs?forest firesfossil fuel combustionnitrogen fixing bacterialightning30s
- Q2Atmospheric nitrogen (N2 gas) is easily taken up and used by plants and animals.falsetrue30s
- Q3Which process releases nitrogen gas (N2) back into the atmosphere?denitrificationphotosynthesisnitrogen fixationdecay30s
- Q4Legumes host nitrogen fixing bacteria, and thus are good crops to plant to replenish the soil.falsetrue30s
- Q5Human activities such as nitrogen fertilizer can upset the balance of the nitrogen cycle.truefalse30s