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