Across
- 5. a state where an individual or household lacks the financial resources to meet a basic minimum standard of living.
- 7. waste material, things no longer wanted
- 8. causing little or no damage to the environment
- 9. any material that can be broken down naturally by living organisms
- 10. gases released that damage the environment
- 11. source of gas emissions
- 12. activity of flying aircraft
Down
- 1. people living in one particular area
- 2. a long,challenging, and multi-day journey on foot, typically through remote, rugged, or natural terrain
- 3. natural geological process
- 4. the skilled art of climbing a mountain using your own physical strength
- 6. waste material (another one)
- 7. a long way from towns or cities