Water

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Across
  1. 3. About 97% of the Earth's water is in the ____
  2. 4. Water can be contaminated by ____
  3. 6. Essential substance needed by all living things
  4. 7. Living things need _____ to survive
  5. 8. Only 3% of the Earth's water is ____
  6. 10. Frozen Water
  7. 12. Humans have an ____ on water quality
  8. 13. Water ____ remove particles and from water
  9. 14. Too much ____ in the water can make people sick
Down
  1. 1. Most of the Earth's water is in the ____
  2. 2. Is found in the ocean and contains salt
  3. 4. Some living things are more sensitive to ____
  4. 5. Water covers 71% of ____
  5. 9. Marine Biologist is a ____ that studies life in the oceans
  6. 11. Area of land that drains into a body of water