Nitrogen Cycle Flashcards

1
Q

How much Nitrogen is in the air

A

78%

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2
Q

Nitrogen Fixation

A

Removing nitrogen from the air and converting it to ammonia

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3
Q

Nitrification

A

Converting ammonia in the soil to nitrate

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4
Q

Denitrification

A

Converting nitrates back to nitrogen gas

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5
Q

True or False: The atmosphere contains the majority of Nitrogen (source)

A

True

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6
Q

How are humans adding more nitrogen into the atmosphere?

A

Through fertilizers & Fossil Fuel use

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