Across
- 3. The first step in the scientific method
- 5. An educated guess
- 6. Mix of gases that surround the Earth
- 8. Loss of biodiversity
- 9. National parks
- 10. What our ecological footprints demand on
Down
- 1. All living things on Earth
- 2. Harmful plastics that break down in water
- 4. Gases and microplastics that contaminate the Earth
- 7. The Earth's solid part