In areas beneath landfills and garbage waste areas where oxygen and other electron acceptors such as nitrates or sulfates are absent , methane gas is also formed by these archaea strains . Methane in large quantities can also be converted to methanol or even ethanol using specific catalytic reaction processes . The term extremophiles is also used for the group of organisms of the archaea kingdom which have existed in such diverse and extremely harsh environments . Because of these special properties , they are...











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