Across
- 4. largest desert in the world
- 5. - study of heredity
- 6. device for splitting light into spectrum
- 9. unit of electric current
- 10. continent with the most countries
- 12. gas used in photosynthesi
Down
- 1. the author of Oliver Twist
- 2. - force that pulls objects towards earth
- 3. - founder of the Mauryan Empire
- 7. capital of France
- 8. - hardest natural substance on earth
- 11. smallest prime number
