Across
- 3. you look it up each day on your phone
- 9. species not here any more
- 11. type of human impact
- 12. people do it with guns
Down
- 1. something that is worthless
- 2. something got to do with us and trees
- 4. we increase the causes of natural ______
- 5. we need it to survive
- 6. we need it to function
- 7. earth is home to _____
- 8. there all around us
- 10. we need to ______ our life stile