fracking puzzle

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Across
  1. 2. industry that supports millions of jobs.
  2. 4. Sand or ceramic beads remain in the cracks
  3. 5. where naturals gas is extracted.
  4. 8. patterned the exploding torpedo
  5. 9. significantly reduces reliance on foreign energy.
  6. 12. provides U.S. manufacturers with a competitive edge globally.
  7. 16. toxic wastewater that can contaminate local drinking supplies.
  8. 18. first hydrophilic fracking experiment
  9. 19. The disposal of fracking wastewater.
  10. 20. acid stimulation
Down
  1. 1. creates small holes in well casing
  2. 3. Used to mine natural gas
  3. 6. taking natural gas out of the earth
  4. 7. Replacing coal with natural gas for power
  5. 10. pumped in at high pressure, shattering the rock.
  6. 11. proximity to fracking sites to increased risks of childhood leukemia
  7. 13. can undermine the climate benefits of switching from coal
  8. 14. area with frequent earth quakes due to fracking.
  9. 15. Much of the fluid returns to the surface as wastewater,
  10. 17. the explosive era