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2007-11-13 06:38:25 · 2 answers · asked by Anonymous in Science & Mathematics Geography

2 answers

The bacteria thriving in the swamp, the dirty water, plus decomposing soil (earth and mud)....

2007-11-13 07:03:35 · answer #1 · answered by Anonymous · 0 0

The decaying material.

2007-11-13 15:16:32 · answer #2 · answered by geezuskreyest 5 · 0 0

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