Olive drab refers to a specific shade of greenish-brown often used in military uniforms and equipment. When discussing materials that change color upon contact, you might be referring to specially treated fabrics or coatings that have been engineered to react to environmental factors, such as temperature or moisture. These treatments can cause the fabric to shift in color, enhancing visibility or indicating exposure to certain conditions. Such technologies are often used in tactical gear or outdoor clothing.
M9
M9 paper
It seems like your question is incomplete. If you're asking about a specific item or product that is olive drab and chemically treated to change color, please provide more context. Generally, certain military uniforms or equipment may be treated with chemicals to alter color for camouflage purposes, adapting to different environments. If you provide more details, I can offer a more precise answer!
Crayons changing the color on paper is a physical change because it does not alter the chemical composition of either the crayon or the paper. The change is reversible, as the color can be erased or removed without chemically altering the substances involved.
No, nipples do not change color in water. The color of nipples is determined by the amount of pigment present in the skin and is not affected by being in contact with water.
M9
M9
M9
M9
M9
M9
M9 paper
M9
M9
M9 Paper
M9
M9 paper