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Does anyone know the combustion history of ethanol and propanol? and also the history of these alcohols being used as fuels.

I know that BOD is measured after 5 days. but i have written a big description on what dissolved oxygen is and how it affects the water quality, and how it is assisted by Riparian Zones, but now i have to write about BOD as well. Everything i find on the internet makes them out to be pretty...