4.The PH of water sample collected from a river was in the range 4.0-4.5.Several factories situated on the bank of river discharging effluents into the river. The effluent of which one of the following factories I causes lowering the PH of river water
●Soap factory
●Lead battery factory
●Plastic cup factory
●Alcohol distillery
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1
Explanation:
akakoaaooaozoapOpppapapappapapap
Answered by
0
Explanation:
plastic cup factory i think
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