Across
- 3. Using something up
- 6. makes stuff easier to do
- 7. Gas with a bad smell
- 8. The weather condition
- 10. The Earth is getting warm
Down
- 1. When there are no more trees in a forest
- 2. water, air and food
- 4. Making something dirty
- 5. They don't have much technology
- 9. One of the 8 planets in our Solar System