GAS IN THE ATMOSPHERE Crossword Clue

Hints for "GAS IN THE ATMOSPHERE"

Keep the challenge. Reveal only as much as you need.

1. 1

   Hint 1Meaning

   Reveal

   6 letters
   Here's a definition of the word you're looking for: A colorless, odorless reactive gas, the chemical element of atomic number 8 that forms about 20 percent of the earth's atmosphere.

2. 2

   Hint 2Another clue

   Reveal

   Try approaching the answer from a different angle. This clue leads to the same answer: "About 21% of air". Look for a word that fits both clues.

3. 3

   Hint 3One more clue

   Reveal

   Here's one more clue for the same answer: "About 21% of the atmosphere". Think of possible answers, then check them against the original clue "GAS IN THE ATMOSPHERE" and any letters you already know.

0 of 3 hints revealed