Environment

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Across
  1. 2. Energy from sun
  2. 4. flying mammal
  3. 5. A mixture of fog and smoke
  4. 6. Air pollutant from AC
  5. 7. Most abundant gas in environment
  6. 9. major source of oxygen in ocean
Down
  1. 1. Nondegradable waste
  2. 3. king of jungle
  3. 5. Nearest Star
  4. 8. Primary Source of Oxygen