At the beach

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Across
  1. 2. hard shell
  2. 3. you dive with them
  3. 6. they sting you
  4. 8. salt water
  5. 9. where fish live
  6. 10. grains on the beach
Down
  1. 1. mountains of water
  2. 4. catch waves with this
  3. 5. we use rods to catch these
  4. 7. you collect them