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Biology 9 Online
OpenStudy (diana.xl):

________________ is a serious environmental problem, which is produced when organic waste decomposes deep in a landfill where there is no oxygen. Iron Methane Leachate Mercury

OpenStudy (diana.xl):

methane?

OpenStudy (gabebae):

Methane is correct

OpenStudy (dqswag):

yes

OpenStudy (diana.xl):

Ty.

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