The clue "Layer that blocks ultraviolet rays" last appeared in the Universal crossword on July 7, 2020. The correct answer for this puzzle is "OZONE", a 5-letter word.
Solution OZONE is 5 letters long. So far we haven´t got a solution of the same word length.
There is 1 solutions. The longest is OZONE with 5 letters, and the shortest is OZONE with 5 letters.
No, "LAYER THAT BLOCKS ULTRAVIOLET RAYS" hasn´t seen a spike right now. Solvers are most interested in: troupe, lizard, consulate, Pooh's marsupial pal and esculent.
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The solution is 5 letters long.