That it is the same substance and yet has a different density?
The answer is C.) The volume of fluid in Image B is greater than that of Image A.
A toxin or other foreign substance which induces an immune response in the body, especially the production of antibodies.
I would say presence of inorganic molecules I THINK not sure.
Answer: Increased water temperature caused by the industrial plant.
Explanation: this is explained in the text lol.