Answer:
There are light absorbing color bodies called chromophores that are present in dyes. Ultraviolet rays are one of the causes of fading because they can break down chemical bonds and fade the color in objects.
Potassium and oxygen
Explanation:
•the maintenance of a stable internal environment
<u><em>Hope </em><em>this</em><em> helps</em><em> </em><em>:</em><em>)</em></u>
air gas
diamond solid
copper solid
candle wax solid or melted would be liquid
the last one is wrong
wrong : most of the mass of an atom comes from the electrons cloud