Across
- 3. Make new things from old things
- 5. People partially restore the effects of felling trees
- 7. Forest cutting
- 8. A substance that fertilizes the soil to increase productivity
- 9. substances or objects that are formed in the production process
- 10. The main problem in the world today
Down
- 1. oil release to the environment
- 2. waste of human life
- 4. Natural conditions
- 6. Stage of social development