Crossword Puzzle - Ocean

1234567
Across
  1. 2. opposite of dirty
  2. 3. usually made of plastic
  3. 4. synonym of nasty
  4. 7. used to make bottle
Down
  1. 1. similar to trash
  2. 2. similar to chemistry
  3. 5. leftover after using sometime
  4. 6. lives in the ocean