Natural Gas Produced by Cow Emissions
This page is the CodyCross answer for the clue below from House of Horrors, Group 1101, Puzzle 1 (No Trespassing).
Question is: Natural Gas Produced by Cow Emissions
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.