Energy sources

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Across
  1. 2. resources:a natural that can be replaced
  2. 3. energy : Heat, steams, and hot water
  3. 5. major ecological community such as grasslands
  4. 8. :all nonliving parts of an ecosystem
  5. 9. living things exist
  6. 10. act of preserving natural resources
  7. 12. energy :Electricity generated by turbines rotating
  8. 15. energy:electricity generated by moving water flowing over a turbine
  9. 16. density :a concept that allow demographers to understand overall trends
  10. 17. resources:energy released when the nucleus of an atom is split apart
Down
  1. 1. or resources that is able to meet the demands
  2. 4. energy: energy that comes from the sun
  3. 6. energy :a nontraditional source of energy that is not from fossil fuels
  4. 7. of species that exist in an environment
  5. 9. living parts of an ecosystem
  6. 11. fuels :come from the decay of organisms buried in sediments that are pressed tightly together for millions of years
  7. 13. resources:a natural resource of a finite amount exits or cannot be replaced
  8. 14. energy :resources that are obtained from the sun