Across
- 2. they have trees and other wildlife
- 4. used to grow plants
- 6. black rock
- 7. humans need this to live
- 8. people eat these and farmers grow them
Down
- 1. plants feed off this
- 2. typically live in bodies of water
- 3. on of the hardest minerals in the world
- 5. one of the most common metal
- 9. cars need this to run