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What percent of the Earth is made up of Nitrogen?
What is the difference between nitrifying bacteria and denitrifying bacteria?
Match the description with its correct part of the nitrogen cycle.
Why do plants grow better with water from lightning storms than they do with water from sprinklers?
Select ALL of the following that convert nitrogen gas into nitrates that can be absorbed by plants through their roots. (2 choices)
What is the process called when decomposers convert nitrogen released from organisms into ammonium?
What do nitrogen-fixing bacteria do?
What must happen in order for nitrogen gas to be used by plants and other living organisms?
Why can’t plants use nitrogen gas to make organic compounds for themselves and other organisms?
Select ALL of the following that nitrogen is found in. (4 choices)