You are presented with the question "Water that is not what can have a negative impact on the body?" and the following answer choices: 
- salinity
 - chemicals
 - sweat
 - an object
 - tested
 - deadly
 - dangerous
 - dead

Now knowing that disease-causing microbes have a negative impact on the body and water was tested for the presence of disease-causing microbes, choose the best answer.


 

     tested    