Biology Crossword

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Across
  1. 2. the trapping of an excess amount of the sun’s heat near Earth
  2. 6. plants burned to generate electricity
  3. 7. caused by a chemical reaction that begins when compounds are released into the air
  4. 9. a gas made of one carbon atom and two oxygen atoms
  5. 10. a change in the average weather of an area
  6. 11. the gradual warming of Earth’s atmosphere
Down
  1. 1. energy that is generated from natural resources
  2. 3. carbon dioxide gas going into the air.
  3. 4. coal, oil, and natural gas
  4. 5. a careful preservation and protection of something
  5. 8. a powerful greenhouse gas, stronger but shorter lived in the atmosphere
  6. 10. the total greenhouse gas emissions caused by an individual