Crossword Science
Nitrogen cycle
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Crossword clues
Solve these clues to fill the grid.
- Impregnation with ___ or a compound of ___
- 5 Across
- The substance of a living cell
- 7 Across
- Any compound containing the ___ group (plural)
- 8 Across
- Abrupt electric discharge from cloud to cloud or from cloud to earth accompanied by the emission
- 9 Across
- An erect or climbing bean or pea plant of the family ___ (plural)
- 1 Down
- A pungent gas compounded of nitrogen and hydrogen
- 2 Down
- The chemical process in which a nitro group is added to an organic compound
- 3 Down
- Layer of air around the Earth
- 4 Down
- The radical -NO2 or any compound containing it (plural)
- 6 Down
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