Across
- 2. materials Natural resources that are used to make things
- 4. A roughly circular opening at the summit of a volcano
- 8. Growing just enough food for your own family's needs and with nothing left over to sell
- 9. -The breakdown of rocks by climate chemicals plants and animalas
- 10. small stunted trees and bushes
Down
- 1. An almost unbroken top layer of trees that acts like a roof over the tropical rainforest.
- 3. A place where rock for building is obtained from the surface of the land
- 5. A very large wave,or waves created by an earthquake under the ocean floor
- 6. wildlife including animals plans,birds and fish that are in danger of becoming extinct
- 7. cap- A part of the word permanently covered in ice and snow