__ Acid, Only Acid Excreted as Gas From the Lungs
This page is the CodyCross answer for the clue below from Ancient Egypt, Group 194, Puzzle 3 (Memphis and Thebes).
Question is: __ Acid, Only Acid Excreted as Gas From the Lungs
and the answer is: CARBONIC
Word Meaning:
CARBONIC — Of or relating to carbon.
Definitions from Wiktionary.