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Questions and Answers
Why is nitrogen essential to life?
Why is nitrogen essential to life?
Plants and animals need nitrogen to make proteins and proteins are the building blocks of cells and life.
What percentage of the air is made up of nitrogen?
What percentage of the air is made up of nitrogen?
78%
Can plants and animals take nitrogen directly from the air? Why or why not?
Can plants and animals take nitrogen directly from the air? Why or why not?
No, because nitrogen is unreactive.
How do plants obtain nitrogen?
How do plants obtain nitrogen?
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What is the process called when nitrogen in the atmosphere is turned into nitrogen in the soil?
What is the process called when nitrogen in the atmosphere is turned into nitrogen in the soil?
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Name one way in which nitrogen fixing occurs naturally.
Name one way in which nitrogen fixing occurs naturally.
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What do decomposers in the soil do with nitrogen?
What do decomposers in the soil do with nitrogen?
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What causes nitrogen to react with oxygen to produce nitrous oxide in the atmosphere?
What causes nitrogen to react with oxygen to produce nitrous oxide in the atmosphere?
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How is nitrous oxide converted into nitrous acid?
How is nitrous oxide converted into nitrous acid?
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Why are fertilizers used?
Why are fertilizers used?
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