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Biology 7 Online
OpenStudy (anonymous):

what is wrong with the water? pH- 7.8 Phosphates- 0.02 mg/L Arsenic- 0.7 mg/L Presence of Microbacteria Nitrates- 8mg/L Chlorine- 2 mg/L Lead- .06 mg/L Benzene- 0 PCBs- 0

OpenStudy (alexishope47):

I don't know what anything except the pH means or is but pure water is supposed to have a pH of 7

OpenStudy (shrutipande9):

presence of traces of arsenic lead and other heavy metals can cause serious threat to biotic life surrounding water

OpenStudy (shrutipande9):

* or rather using that water

OpenStudy (anonymous):

OpenStudy (anonymous):

presence of Nitrates- 8mg/L cause the water to get the pH of 7.8

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