Across
- 4. a material in which plants grow
- 7. at risk or in danger
- 8. clearing a wide area of trees
- 9. the hotness or coldness of something
Down
- 1. damage caused to the environment by harmful materials
- 2. a rising and overflowing body of water
- 3. the natural world
- 5. the natural home of an animal or plant
- 6. animals (and sometimes plants) that live in nature
- 7. all of the animals and plants in an area and the ways they affect each other