I think they are all examples of minerals. They come in vitamin for though.
hope this helps!
You can let an adult know?
Answer & Explanation:
Chemical properties are properties that can be measured or observed only when matter undergoes a change to become an entirely different kind of matter. They include reactivity, flammability, and the ability to rust. Reactivity is the ability of matter to react chemically with other substances.
i look it up ok
I think it's Conjunctivitis (also known as pink eye)