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Across
- 2. Part of body with a function
- 4. Type of bond between ions
- 7. A word related to science
- 8. Compound of oxygen and another element
- 9. Focused beam of coherent light
Down
- 1. A word related to science
- 2. Relating to sight or light
- 3. A word related to science
- 5. Path around a celestial body
- 6. Plant life of a region