Test your knowledge of ozone layer science and ozone depletion
in this crossword puzzle. First, choose a clue you'd like to solve.
Review the words, choose the one that answers that clue, and click
on the "Submit Guess" Button.
The crossword puzzle relies on Javascript; if it doesn't appear
below, either your browser can't use it or you have turned off Javascript.
In either case, or if you'd like to give the puzzle to a class,
you can print the puzzle and try it by hand.
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