Como el gas de los pantanos que se levanta, los malos espíritus que lo persiguen.
Knowing that these substances are a toxicological problem, they must be regulated based on the most recent scientific advice availableLiterature Literature
Otras bacterias, denominadas metanógenas, convierten elC02 y el hidrógeno en gas de los pantanos.
It is Friday and I hate to delay the time of the House, but you are aware that it is incumbent upon the government to keep a quorum in the HouseLiterature Literature