Other questions in this quiz

2. What does denitrifying bacteria do?

  • They turn atmospheric nitrogen into nitrates
  • They turn nitrates back into atmospheric nitrogen
  • They create dents in the amount of atmospheric nitrogen

3. What does nitrifying bacteria do?

  • Turn ammonia in decaying matter into nitrates
  • Turn nitrogen into nitrates

4. What does decomposer bacteria do?

  • Decompose proteins and urea into ammonia
  • Decompose ammonia into proteins and urea

5. What does nitrogen-fixing bacteria do?

  • Turns nitrogen into nitrogen compounds that plants can use
  • Turns nitrogen compounds into nitrogen that plants can use


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