The property of matter that you cannot observe just by looking at an object will be temperature.
What is matter?
Matter can be defined as everything that has mass as well as volume (takes up space). It is pretty straightforward to illustrate that most typical objects which we deal with everyday basis possess mass as well as take up too much space.
It is known that if we look any matter , the physical appearance of any matter can be determined by its color and shape not with temperature.
Therefore, the correct answer will be option B.
To know more about matter.
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