Across
- 2. cause of global warming in forest
- 4. The most important resource in the world
- 7. The cause of planet's sickness
- 8. is what we humans throw away
Down
- 1. Results from increased greenhouse effect
- 3. Is what makes earth hotter
- 5. convert waste into new products or raw materials
- 6. descrease pollution, one of the 3 r’s
- 7. the main source of ground pollution
- 9. Reuse a product or material several times without treatment.