Resources Crossword Puzzle

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Across
  1. 2. Study of effects on nature
  2. 4. Protection of natural resources
  3. 6. Naturally replenished material
  4. 9. Rise in Earth's temperature
  5. 10. Harmful substances in environment
  6. 12. Human-created materials
  7. 13. Roads, bridges, and buildings
  8. 15. Growth in wealth and infrastructure
Down
  1. 1. Growth without harming future
  2. 3. Reliable access to nutritious food
  3. 5. Finite natural material
  4. 7. Surroundings affecting life
  5. 8. Trapping of heat in atmosphere
  6. 11. Materials from nature
  7. 14. Power used for work and machines