Across
- 2. materials or substances used to fulfil people's needs
- 6. degradation of the environment
- 7. any property of the physical environment which people use to satisfy their needs
- 9. the surrounding
Down
- 1. misuse of resources
- 3. meeting the needs of the present generation without compromising future generations
- 4. materials once used up cannot be restored
- 5. avoiding wasteful use of resources
- 8. materials that can be replenished in a short period of time after use
- 10. poisonous