Across
- 3. it can be flood, tsunami, lanslide, etc.
- 5. it covers the earth and protects us from ultraviolet
- 7. a text explaining how something occurs
- 8. food processing by using yeast
- 10. other name of tape
- 11. the last phase of caterpillar life
- 13. thing that we must keep
Down
- 1. the biggest energy in the universe
- 2. a sample of precipitation
- 4. when liquid changes into gas
- 6. synonim of river
- 9. when something happened over and over again
- 12. the only planet human can live