Earth science
THE ANSWER IS
The answer is GEOLOGY.
Tap reveal when you’re ready—the letters stay hidden until then.
Why it fits
GEOLOGY is the 7-letter answer to “Earth science” in the September 18, 2023 Lexigo puzzle. Every answer must also trace a connected path across touching hexagons, with each word linking to its neighbors in the chain—so GEOLOGY both satisfies the clue and fits the day’s board.