Answer:
Yes, you are right for both.
The group of tissue that work together to do a specific job is called ORGAN
I think it's the home health aide, because they can be there to see when and what medicane is given. The client could be too sick to write, and the physician isn't always there. And the nurse sees so many other patients to have enough time. I think it's the home health aide.
There numerous of them but some of them would be contaminated soil which can be followed with altered soil chemistry that contains fewer soil organisms that are essential. The third one would be surface runoff due to extensively modified hydrology of the area.
