Across
- 5. small worms/insects
- 7. biological process - natural way
- 9. worms etc live in medium heat
- 12. terminology names used in Science
- 13. conditions lots of free oxygen
Down
- 1. how something happens
- 2. break down
- 3. worms etc live in high heat
- 4. becomes watery
- 6. manure used for plants to grow
- 8. spoil
- 10. results
- 11. materials found in nature
