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oxygen
dust storms
This is the diffusion of the coloring agent molecules in water.
Pouring tang into water is a chemical change. A change a said to be chemical if it changes color, taste, volume etc. Pouring tang into water causes a chemical change because the color changes and the volume of the tang changes because it is in a liquid state.
No, they will not change color.
Birds of prey do not change plumage color in winter.
blue
Pearls don't change their color.
Both males and females are hatched with the same plumage; nine to twelve months after hatching, the males' necks begin to turn peacock blue, and their splendid plumage takes about four years to reach full size.
The color of the feathers of the dodo bird were gray.
oxidation causes iron to change color. oxidation causes rust.
causes are change the color and viscosity saliva
usually the small hummingbird has the same plumage of its mother and as it matures if it is a male it will begin to look more like a male adult.
Herpes.
The level of melanin in the eye changes.
oxygen
The chemical change causes the color change when the two new chemicals combine.