Across
- 4. / Use
- 5. / keeping the same level of something
- 7. / 3D triangle-sided shape
- 8. / Developing
- 9. / Elements
- 10. / cannot be cured, lasts for a long time
Down
- 1. / extra help
- 2. / lessening the amount
- 3. / economies relying on factories and engines
- 5. / the process of using food in the body to maintain life.
- 6. / changed in a factory