Across
- 4. A substance that provides nourishment for growth and health.
- 6. Using less energy to perform the same task.
- 8. The total amount of greenhouse gases produced by your actions.
- 9. provide the body with energy, found in bread and pasta.
- 10. Something added to food or another substance to improve it.
Down
- 1. A gas produced when we breathe out or when fuels are burned.
- 2. Something that makes you think deeply.
- 3. To reuse materials instead of throwing them away.
- 5. Able to be broken down naturally by microorganisms.
- 7. A large painting or artwork done on a wall.