world water day

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Across
  1. 1. What natural process fills lakes and rivers?
  2. 4. What word describes clean water and hygiene?
  3. 5. What is the main source of freshwater?
  4. 6. Which element, along with oxygen, makes up water?
  5. 8. What covers 70% of the Earth’s surface?
  6. 9. What process makes dirty water clean?
  7. 10. Where is most of the Earth's freshwater stored?
Down
  1. 2. What is the Latin word for water?
  2. 3. What is the process of water turning into vapor?
  3. 7. What do we call water stored underground?