i think because blue does not take up space and because it is not made up of atoms and molecules and the same thing for number 12 and they need mass to be matter
The color blue and the number 12 are not considered matter because they do not have mass or occupy physical space. Matter is defined as anything that has mass and volume, while blue is a perception of light wavelengths, and 12 is an abstract numerical concept. They exist as ideas or properties rather than tangible substances that can be measured or weighed.
The colour blue is a name we give to a certain wavelength of electromagnetic radiation that our eyes are sensitive to. Electromagnetic radiation is not matter. The number 12 is an Idea. Ideas are not matter.
Yes, blue is generally considered a bright color.
blue is an awesome colour!
Turquoise is considered to be more green in color than blue.
Blue.
No, blue was originally considered a color for boys, while pink was considered a color for girls. This belief began to shift in the early 20th century.
blue
Blue .That's a matter of opinion. Any answer you get would vary from person to person, and cannot be considered fact.
No, a very rich color of purple has always been considered an imperial color.
Black is merely a darker shade of blue. Or any color for that matter.
Blue and gray together make a color that is considered hazel. Blue is considered blue not hazel. Gray is considered gray but sometimes is called hazel.