Across
- 6. Process caused by human action that destroys the forest surface.
- 8. Non-domesticated animal species that live wild in an area without humans.
- 9. Energy sources which are naturally in renewal, such as solar or wind energy.
- 10. Planting trees on forest areas where deforestation has occurred.
Down
- 1. A natural space where living beings live.
- 2. A phenomenon that causes the Earth's temperature to increase due to the actions of human.
- 3. Condition where harmful substances exist in the air, water or on the planet in general.
- 4. A process whose objective is to convert used materials into new materials.
- 5. A community of organisms that interact with their environment.
- 7. They are used when you want non-renewable energy sources, such as for transportation.