Nitrogen Cycle Crossword
This printable crossword puzzle on the topic of Environmental Science has 10 clues. Answers range from 3 to 15 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
First Step of the Nitrogen Cycle
Percent of Nitrogen in the Air
Makes N2 into NO2
Second step in the Nitrogen Cycle
converts ammonia into nitrates.
Turns nitrogen gas from the atmosphere into ammonia
Nitrogen-fixing bacteria
Nitrogen compound that can dissolve in water
Must happen in the absence of oxygen
not accessible to plants and animals for use in their cells
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