Nitrogen-Fixing Bacteria Convert Atmospheric Nitrogen (N₂ Gas) into Ammonium (NH₄)

question 11

Multiple Choice

Nitrogen-fixing bacteria convert atmospheric nitrogen (N₂ gas) into ammonium (NH₄) .Why is this conversion important for life on Earth?

• A)Ammonium is an important cleaning agent.
• B)Nitrogen gas is toxic.
• C)Ammonium is a very important plant nutrient.
• D)Nitrogen gas leads to global warming.

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