About 1% of Earth's atmosphere and a phonetic hint to this puzzle's gimmick crossword clue

 About 1% of Earth's atmosphere and a phonetic hint to this puzzle's gimmick crossword clue

We have found 1 possible solution for the: About 1% of Earth's atmosphere and a phonetic hint to this puzzle's gimmick crossword clue which last appeared on Wall Street Journal September 22 2021 Crossword Puzzle. This is a six days a week crossword puzzle which can be played both online and in the WSJ newspaper.

About 1% of Earth's atmosphere and a phonetic hint to this puzzle's gimmick
ANSWER: ARGON

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