7GR WATER,POLL.________________________

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Across
  1. 3. HEATING/MELTING PLASTIC BACK INTO OIL
  2. 7. RECENT STATISTICS STATE THERE ARE 8 ____ PEOPLE LIVING ON THE EARTH
  3. 8. COLORADO RIVER FLOW WHICH MIMICS SPRING FLOODS
  4. 9. ROCKS OR ROCK LAYERS THAT ARE MORE POROUS CAN BECOME AN _____
  5. 10. WHERE MOST OF THE EARTH'S WATER EXISTS
  6. 13. THE __ RATE MUST BE MORE THAN 2.1 BIRTHS PER FEMALE FOR A POPULATION TO BE STABLE AND SURVIVE.
  7. 14. WHERE MOST OF THE DRINKING WATER COMES FROM
  8. 16. COLO.RIVER NOW RUNS TO THE SEA OF ___
Down
  1. 1. THESE CO-DISTILL WITH WATER AND ARE CARCINOGENIC: TRI-HALO-___
  2. 2. WHERE MOST FRESH WATER EXISTS
  3. 4. PLASTIC POLLUTION IN GREAT PACIFIC GARBAGE ___
  4. 5. WHEN THE ___ RATE IS MORE THAN BIRTH RATE, NEGATIVE POPULATION "GROWTH" OCCURS.
  5. 6. HARMFUL BYPRODUCT OF PROCESSING OLD PLASTIC INTO OIL.
  6. 8. ACC. TO REPORTERS, ONLY 5% OF THIS IS RECYCLABLE.
  7. 11. DESALINIZATION OF ____ WATER IS EXPENSIVE, YET SOME COUNTRIES DO IT ANYWAY.
  8. 12. ALL RIVERS START AS A SMALL TRICKLE OF WATER CAUSED BY____
  9. 15. ONLY NUMBER ___ AND NUMBER SIX CAN BE SAFELY RECYCLED