Environmental Sciences, asked by gulabsa1838, 1 year ago

If the depletion of ozone is found to be 5 ppm after incubating a 2.5% solution of sewage sample for 5 days at 21 deg

c. bod of the sewage is

Answers

Answered by Capricornus

2

maybe 42, I am not sure,if the answer is wrong, please forgive me and if the answer is wrong I am sorry

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