Water

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Across
  1. 4. a board for riding on water, pulled by a boat
  2. 6. a print resembling a watercolor, produced from a copper plate etched with nitric acid
  3. 7. a greenish-blue color
  4. 8. it is like quicksand
Down
  1. 1. make sure you do this so you are...
  2. 2. it is sneaky when it is submerged
  3. 3. a body of shallow water along the shore used for aquaculture
  4. 5. if you want a fish for a pet what do they need