Which Statement About Nitrogen Metabolism Is True

question 56

Multiple Choice

Which statement about nitrogen metabolism is true?

• A) The nitrifiers convert atmospheric nitrogen gas into ammonia (NH₃).
• B) The nitrifiers return nitrogen to the atmosphere as nitrogen gas (N₂).
• C) The nitrogen fixers convert ammonia to nitrate or nitrite.
• D) The denitrifiers convert ammonia to nitrate or nitrite.
• E) The nitrogen fixers convert atmospheric nitrogen gas into ammonia (NH₃).

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