energy and natural resources

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Across
  1. 5. things from the earth we need or use to meet a need or improve our lives
  2. 8. heat energy directly from tapping into the earth
  3. 11. pollution that entered from a single source
  4. 12. materials consumed to produce energy types
  5. 14. water that is usable for human consumption and daily activities
  6. 15. the amount of work produced compared to the amount of energy useddone without waste of energy or time
  7. 16. law that says energy is neither made nor destroyed but only transformed
  8. 18. the loss of topsoil and the ability to sustain plant life turning what was once good land into a desert
  9. 19. environmental protection agency
  10. 20. pollution that entered the water from a wide spread area
  11. 22. energy from biologic matter such as alcohol in gasoline being made from corn
  12. 23. the ability to do work
Down
  1. 1. energy from breaking atomic bonds/splitting atoms
  2. 2. safe haven for wildlife
  3. 3. the removal of trees in a forest without replanting
  4. 4. made from the incomplete decomposition of plant material over centuries includes coal & oil
  5. 6. the number of organisms the environment can support
  6. 7. resources that can not be replenished in a lifetime such as from coal, petroleum
  7. 9. energy such as comes from the sun, water, and wind
  8. 10. natural resource mined for profit
  9. 13. ability to continue as present level
  10. 17. land that can support farming
  11. 21. US law protecting water sources from pollution