The Earth Day Puzzle

123456789
Across
  1. 2. Made up of 3 oxygen atoms
  2. 4. up in the sky made up mostly of nitrogen and
  3. 7. Known for being Non GMO
  4. 8. Natural experience were organisms aren't found on Earth any more
  5. 9. This damages air land and water
Down
  1. 1. Recycling saves this part of our lives
  2. 3. Provides essential needs for a organism to survive
  3. 5. Clean and renewable energy source
  4. 6. Big source of methane build up in the ground