Chemical<span> reactions takes place in plants and animals, this result in the formation of substances in some plants and animals that can be used to treat illness. </span>Chemistry<span>is </span>important<span> to everyday </span>life<span>, because it provides medicine. The food we consume each day comes directly from </span>chemical<span> processes.</span>
When it changes phases energy is needednto break down the bonds so that is can change state from one phase to another.
Actually, it could indeed be the independent variable.
