Across
- 2. - A natural resource we must protect
- 3. - Cannot be decomposed easily
- 5. - A colour that represents nature
- 6. - A tall plant with a trunk
- 7. - Large water body covering most of Earth
Down
- 1. - The planet we live on
- 3. - inhales Co2 and exhales O2
- 4. - Grows crops