Toxic Fumes Following Coal Mine Explosion

Puzzle 9 of Home Improvement Easy Pack

Question is: Toxic Fumes Following Coal Mine Explosion

and the answer is: AFTERDAMP

Word Meaning:

AFTERDAMP — (mining) Suffocating gases present in a coal mine after an explosion caused by firedamp, consisting of carbon dioxide, carbon monoxide, nitrogen, and sometimes hydrogen sulfide.

Definitions from Wiktionary.

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