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Across
- 2. Naturally occurring inorganic solid
- 5. Large molecule essential for life
- 6. Solid with ordered atomic structure
- 9. Biological catalyst for reactions
- 10. A word related to science
Down
- 1. Substance providing immunity
- 3. A word related to science
- 4. Positively charged particle
- 7. Group of similar living organisms
- 8. A word related to science