Meat Could Help the Planet

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Across
  1. 2. an amount of gas, light or heat that something gives off
  2. 4. a gas that warms the atmosphere by trapping the sun's heat close to Earth's surface
  3. 8. tiny living things that can cause disease
  4. 9. not natural
  5. 12. coal, oil, or natural gas formed the remains of prehistoric plants and animals
  6. 13. an amount of money paid to the government and is used for public services
Down
  1. 1. a long term change in Earth's typical weather conditions
  2. 3. a gas that is produced when certain fuels are burned and when people and animals breathe out
  3. 5. a colorless, odorless gas that is produced when plants and once living things break down
  4. 6. an opportunity to sell a product or service
  5. 7. farm animals that are raised to do work or as a food source
  6. 10. to supply land or crops with water
  7. 11. the smallest unit of any living thing