Water pollution of river is measured by U.P.R.O./A.R.O. (

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64

M: +2.00/-0.50

Water pollution of river is measured by

U.P.R.O./A.R.O. (Pre) 2021

[Energy Sources & Pollution]

A

Amount of Chlorine dissolved in water

B

Amount of Ozone dissolved in water

C

Amount of Nitrogen dissolved in water

D

Amount of Oxygen dissolve in water

...

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