Carbon and Nitrogen cycle

The carbon cycle, Glabal warming, the nitrogen cycle and nitrogen fertalisers. 

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1. True or false. Denitrifying bacteria are aerobic?

  • False
  • True
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Other questions in this quiz

2. What does the law of diminishing returns mean?

  • Same as condensation point
  • After a certain volume of fertiliser, it will make no difference.
  • more fertiliser will reduce productivity

3. What do plants give battery in return for the amino acids etc?

  • Carbon
  • Glucose
  • Nitrogen

4. What happens after the fish die in Eutrophication?

  • Anerobic bacteria
  • Algal bloom
  • Leaching

5. Which of these isn't extra co2 addition by humans?

  • Respiration
  • Combustion
  • Deforestation

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