Potable Water Crossword

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Across
  1. 3. osmosis To desalinate sea water we can either distill it or use???
  2. 4. This type of water contains no dissolved salts.
  3. 6. What word means to remove salt
  4. 7. A resource that we are using up faster than it can be replaced is called...
  5. 8. Distillation is not used to desalinate see water because it requires a lot of???
Down
  1. 1. What chemical can be added into fresh water to kill bacteria?
  2. 2. Water found in lakes and rivers is called...
  3. 3. A resource that can be made at the same rate that it is used up is called...
  4. 5. Water that is safe to drink is called...
  5. 7. To remove solid particles from fresh water we pass it through a...