CO2 crossword

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Across
  1. 4. C6H12O6 + 6O2 → 6CO2 + 6H2O
  2. 6. Example: bacteria
  3. 7. Created during photosynthesis
Down
  1. 1. 6CO2 + 6H20 + (energy) → C6H12O6 + 6O2
  2. 2. building block of living matter
  3. 3. rotting
  4. 5. one of the most prominent greenhouse gasses