Downwind : I think it depends on the direction of the wind. Bacteria in the colon make the gas, all 1000 trillion of them. It depends on the type you have and the ratio of one species to another. This is always changing with over 10000 different species of bacteria.
Answered 3/26/2013
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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