Because most people have a preferred way to learn. It is easier to comprehend something if it is taught to you in a way you can easily understand. Some people like step by step instruction, while others learn best by doing it, ect. It is best to learn through all of the types of learning methods to fully comprehend it even if you learn best in one way.
Because the chain has fewer hydrogen atoms<span>, it is said to be "unsaturated." A fatty acid with one double bond is called "monounsaturated" because it has one gap. Fatty acids having more than one gap are called "polyunsaturated."</span>
