Other questions in this quiz

2. nitrogen gas is converted to ammonia by ...

  • denitrifying bacteria
  • nitrogen fixing bacteria
  • nitrifying bacteria

3. protein in dead plants and animals is broken down ...

  • denitrification
  • decomposition
  • decay

4. nitrates are converted into nitrogen gas

  • denitrification
  • nitrification
  • nitrogen fixation

5. denitrification ...

  • reduces the amount of ammonia in the soil, making it less fertile
  • reduces the amount of nitrate in the soil, making it less fertile
  • increases the amount of nitrate in the soil, making it more fertile

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