It just means personal information cannot be released or shared without patient consent
The answer to your question is, competent person
Its a disease that kills brain cells that contribute to core functions like breathing and eating, my great uncle had it, it was really sad
A/C/D: All of these answers are positive effects, of human water use.
By process of elimination it must be (B) Also the run off is basically stripping the soil of the nutrients a farmer would need to grow crops, so this is incredibly bad - but a problem easily fixed.
