The Gas Released by Cows
This page is the CodyCross answer for the clue below from Mesopotamia, Group 962, Puzzle 3 (Parthian Reign).
Question is: The Gas Released by Cows
and the answer is: METHANE
Word Meaning:
METHANE — (organic chemistry, uncountable) The simplest aliphatic hydrocarbon, CH₄, being a constituent of natural gas, and one of the most abundant greenhouse gases.
Definitions from Wiktionary.