Question 14

the color of ink is a

a)chemical property

b)physical property

c)chemical change

d)physical change

The color is one among the B) physical properties.

The physical properties are visible or observable. The physical properties are measured with physical system. There are many physical properties which include color, size, radiance, luster, and so on. There are two types of physical quantities which includes intensive property and extensive property. This property depends on the change in the structure of the material.

The color of the substance depends on the color it is observing and illuminating which depends on the reflective property of the substance.  

answer; ////increased water pollution; ///////////////////////

i'd say that the moon rock is about 2.2 billion years old.