3) what 2 chemical contaminants that can be found in a freshwater source for each one
b) identify a source of contaminants that can be found in a freshwater source for each one.
4) briefly describe how a biological contaminant was able to get into groundwater wells at Walkerton.
please help asap (thanks!)
2 answers
wow 4 years u did this did you loose a mark for not doing this question?
Wow 4 year till someone else posted the 4 years thing above