water

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Across
  1. 1. to change from liquid to gas
  2. 3. a giant white sheet5 that moves in all directions
  3. 6. a material found in nature that6 is useful to humans
  4. 8. to wear away
Down
  1. 1. an imaginary line around earth halfway between between the north and south poles
  2. 2. harmful matter that makes water ,soil or air
  3. 4. a flowing stream of water within a larger body of water
  4. 5. to change from gas to liquid
  5. 7. the temperature at which liquid water changes to solid ice(32 Fahrenheit ,o Celsius