The liquid is blue is an example of qualitative data. Qualitative data is data that can not be represented by numbers. The volume and density are both quantitative data.
The correct answer would be C. A blank page <span>is a non-example of volume. Volume is the expression of size for 3D objects. It has the measurement of a distance raised to the power of three. Choice A and B signifies that a certain the glass contains a certain volume of something which half of the glass. </span>