Across
- 6. The mass of air surrounding the Earth.
- 7. The reduction of trees in a wood or forest due to natural forces or human activity.
- 8. The portion of Earth and its atmosphere that can support life.
- 10. A community of organisms that depend on each other and the environment they inhabit.
Down
- 1. The area occupied by a community or species such as a forest floor, desert or sea shore.
- 2. The thin protective layer of gas 10 to 50 km above the Earth that acts as a filter for ultraviolet (UV) radiation.
- 3. Preserving or protecting animals and resources.
- 4. A colourless gas that is used by plants during photosynthesis.
- 5. Fuels – such as coal, gas, peat and oil – that are formed in the ground over a long time from dead plants and animals
- 9. To break waste items down into their raw materials, which are then used to re-make the original item or make new items.
