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Nitrogen cycle demo

Across
NH3
___ converts N2 to NO2 or NO3
The process of converting nitrogen into compounds plants and animals can use
The process in which N2 breaks and combines with other compounds is Nitrogen ____
A compound that plants and animals cannot use
Down
Nitrogen is fixed when it combines with hydrogen or ___
The four processes in the Nitrogen cycle are nitrogen fixation, ammonification, nitrification and ___
___ convert N2 to ammonia
NO2
Nitrogen makes up 78% of our ___
Nitrogen is an essential component of DNA, RNA and ___