Across
- 4. a long and high sea wave caused by a earthquake
- 5. the home or living environment of animals and plants
- 6. all plant species living in a particular environment
- 10. a group of living organisms consisting of similar individuals capable of exchanging genes
- 11. fog or haze caused by pollutants in the air
- 13. the action of clearing a wide area of trees
- 14. the process of building a city to a area and making it more urban
- 15. sudden violent shaking of the ground, in finnish maanjäristys
- 16. something that's hard to understand or read
- 18. the production or discharge of gas or radiation
- 19. the process of joining of two or more things together
- 21. means the same a dryness
Down
- 1. the highest point of a hill or mountain
- 2. synonym for the word pollute
- 3. variety of all living things and their
- 6. the rpocess of splitting something into two or more parts
- 7. in finnish it's called nälänhätä
- 8. all animal species living in a particular environment
- 9. a crack or break in something is also called this
- 12. a substance that's added to the soil to add it's fertility
- 17. a tordano is a event like this
- 20. to illegaly hunt or catch