Environmental Science Crossword

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