The answer is c in my opinion
Answer:
Volume
Explanation:
The boiling point and density of water never changes, no matter how much you add
So the answer CAN'T be Boiling point or Density
Electrical Conductivity changes <em>only when the number of ions in a solution changes</em>
So it CAN'T be Electrical Conductivity
It has to be VOLUME because volume is the only physical property that changes when you add or take away liquid from a liquidous mixture
They use there hands rather then a snout used as an exploratory and manipulative organ. Mobile fingers with tactile receptors
