EASY
What form of nitrogen is abundant in the atmosphere?
Nitrogen gas (N₂).
Which organisms mainly carry out decomposition and ammonification
Bacteria and fungi.
Why can't most plants directly use atmospheric nitrogen?
N₂ is chemically unavailable.
How much of the atmosphere is nitrogen gas?
About 78%.
What is the nitrogen cycle?
Movement of nitrogen through ecosystems.
How do you think the nitrogen cycle useful in wastewater treatment
Removes excess nitrogen.
What is the nitrogen cycle?
Movement of nitrogen through ecosystems.
What environmental problem can result from excess nitrogen in water?
Eutrophication
How do you think understanding the nitrogen cycle help farmers?
Improves fertilizer management.