Across
- 2. the upper level of the earth in which most plants have their roots
- 4. to cut down a tree
- 6. liquid waste especially chemicals or sewage
- 7. gas that is thought to trap heat above the Earth and cause the ... effect
- 8. the process of giving/getting the right type of food for good health and growth
- 9. the place on a farm where pigs are kept
- 10. farm animals, especially cattle = live...
Down
- 1. damage someone's body
- 3. a building where animals are killed for their meat
- 5. if the weather e... rock or soil, its surface is gradually destroyed.