When people talk about the color of one’s eyes, they are actually talking about the color of the

Iris

Explanation:

Iris is the part of your body whose size never changes from the day we are born to our death.

It function is to allow limited amount of light passes through the lens.

It has pigmented melanin in it  amount of which varies from person to person. When lights reaches the eye, it pass through the fiber of stromal cell and they reflected light from them is in color green, blue, olive, grey.

By this we observe different people have different color eye and  by that we mean different color of iris.

c. magnitude and direction

when heated, the valance electrons increased their speed and transferred the heat from electron to electron.   i just took the test.