Macromolecules, hope this helps.
Answer:
D. Library Book
Explanation:
This is because library books can not be recycled. Sorry if my answer is wrong, just trying to help.
Answer:
The water is hypotonic to the body of the patients
Explanation:
<em>Pure water is generally hypotonic to the red blood cells in the body of humans. Hence, if a person is hooked up to an IV line that included pure water, the red blood cells in the person's body will take-in water, become turgid, and then start lysing. This will make the person become sick or even cause death in severe cases.</em>