Where did This Noble Gas Keeps Balloons Afloat appear in the Game?

It appeared on Transports Group 108 Puzzle 4

This Noble Gas Keeps Balloons Afloat

July 26, 2025June 3, 2025 by Koli Jam

CodyCross This Noble Gas Keeps Balloons Afloat Solution

This question is part of CodyCross Transports > Group 108 > Puzzle 4.
Answers of This Noble Gas Keeps Balloons Afloat might change from time to time on each game update.

This Noble Gas Keeps Balloons Afloat

Helium

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